Personally I wouldn't recommend buying a book on grammar as a means to improve your English, I'd just do more reading, watching movies and speaking if I were you. Studying car mechanics doesn't make you a better driver.

Because i am in a festive mood I will give you an honest answer.

Forget grammar. Obsessing about grammar is only necessary for passing exams in China. It is seldom you will come across anyone with flawless grammar and no one cares.

Recent studies in linguistics indicate that learning grammar is counter productive when learning a new language.

They say learn lots of vocabulary and some basic lexical chunks, speak more and the grammar will take care of itself. Thank you scumbag brain.

Your English is terrible, so it couldn't hurt. 

there are plenty of english learning free websites to help with grammar, especially with a vpn, that would help much more than a book, even sample grammar tests to help you improve your grammar.

I suggest using a very useful app. You can get it at www.foxcon.com.cn

i will say that your English is one of your better traits
forget about the grammar and work on the understanding of some of the phrases we use and the only way you will get any good at it will be living in the overseas environment and as you have watching English programs.
when you don't understand a phrase , write it down and look it up
a lot of it will be sarcasm but it will give you a insite into our world
now do us a favor and post more questions like this and not that other rubbish

Yes.

Buy a good grammar book! (note the word 'good'). (though, obviously, there are websites available as well).

But don't 'study' it!

When you get a piece of grammar you don't understand - look it up and get the meaning behind it!

Contrary to some of the 'recent research' (and hypotheses), other research has found that students who actually know the grammar involved make fewer mistakes (in both meaning and structure) as those who don't.

However (and this is what iWolf was referring to) - the grammar translation method (which is the method most language learners were using for decades before better methods came out... ) sucks as a teaching method! Not only is it boring, but unless you're confident with your own grammatical system (you said you're not), then it's not very effective - not for real language usage.

Grammar IS meaning!

(also note what Phil said above - we use sarcasm a lot. So, watching TV and understanding the grammar won't mean you actually get what they're trying to say. So - don't take everything literally - literally )

(ps - yes, I can provide references )

at least a quarter of your sentences should be enshrined on posters and submitted to engrish.com
"When I enter it,it saies my domain is registered sucessfully. Then there's nothing else left for me to continue. What's wrong with it?" - erm, gramatically?
"You just aren't the quality can be trusted" - but he likes to have a funny to double happiness!
"studing", heh.
"I am frustration now." oh my, you have no idea!

just a bit of harmless fun at your expense. honestly, foreigners won't hold non-native speakers to exacting standards. try to remember that next time foreigners have a chuckle when you accidentally drop a sexual euphemism. they still respect you fine, so no need to get worked up about a mistake. small language mistakes are not failures, and nobody thinks you are dumb because of how you say things.
…It's because of WHAT you say! zzing! he kicks he scores!

grammar is overrated. focus on speaking without an accent. westerners are highly tolerant for grammatical errors, so your concern and shame are misplaced.

actually, your lack of punctuation is more annoying than grammar errors. get a feel for when to use commas.

@Viki - if you're an English major then you should feel ashamed! (Granted, so should most English majors that I've met here).

If we compare your English (as a person who has studied the language for at least 8 years - including the last 3-4 solely) to people from other countries who have done the same, the difference is HUGE!

But - that's (at least partly) not your fault (and, of course, it partly is!) The education here sucks! Your teachers' English is not much better than yours. They have not been overseas. And many of them rarely used English to have full, meaningful conversations with native speakers of the language. They were also assessed to Chinese standards - which suck!

I suspect your knowledge of grammar is much better than most 'Foreign Experts' who have come here to teach it. But your use is not.

You say you watch English movies and TV (don't all students do that?) - but how exactly do you USE that to improve your English? Please give specific examples...  If you're going to use TV and movies - set a specific target or goal! Eg - choose a specific grammatical structure, and listen for how it's used. Or, what are some ways of talking about the weather?

I'd actually suggest (as I've done in my IELTS video series - http://www.xteam.cc/special/topics/1450328624812_36.html) you to watch TED videos, and also do some Khan's Academy courses. The English will be focused. So, if you're focussing on weather, you'll have weather specific terminology.

You also need to NOTICE THE DIFFERENCE between what YOU write/say, and what native speakers write/say. ALWAYS presume their's is correct, while if yours is different, it's yours that probably needs changing! (of course, we make mistakes (especially when typing fast, or thinking of ideas as we express them), and we don't always use full correct grammar on forums! But then - we usually know what we DON'T need to say/write to still get the meaning across).

What Coin says about focus on grammar being over-rated, and we're more tolerant of mistakes - that's mostly true - unless it impedes meaning! If I'm getting confused by what you're saying, then 'grammatical tolerance' will be low.

Also - check your spelling!

'Advice' is singular. 'Vocabulary' is (usually) singular. Given how often those two words are used, yes, it's shameful to be getting them wrong so often!

Your first grammar focus - 'do' and 'be' - how to use them correctly! As well as the basic forms of Present Simple, Past Simple, and Present Continuous - form/structure and use.

Is there any language Studing progamme to apply in English speaking countries?

Thank you for those good advices. I really appreciate. I had been lazy to carry out my plans.

This year I will be a new me. I made a list of my goals wanted to be achieved and I am organizing myself with discipline to make consistent progress to achieve them.

You will see me less active to chat on ecc.

I think it depends on how you learn best Vicky. For some, going through a grammar book might be the best way. For others English immersion - that is listening to and speaking English everyday will be better.

Personally, I think you would be better watching English movies/TV, reading books  and paying attention to how people say things instead of reading a grammar book.

I've met some amazing English speakers who have never lived outside of China. A few could easily pass as being born in North America. Usually they hang out with foreigners, watch a LOT of TV and are able to pay attention and learn from what they hear. I don't know you but suspect this would be your strength.

Anyway, good luck with it.