Ithink antismoking ads are not effective to smokers.
There are manyads in restaurants and television. But people don???t care aboutthose ads and keep smoking.

Correct:There are many ads in therestaurants and television but people don't care about it and stillcontinue to smoke.

InChina we can often see people smoking in buildings, restaurant and onstreets.

Correct:In China we can often see peoplesmoking in the buildings, restaurant and on the streets.

Theads say a lot of bad things about smoking but when people buycigarettes they ignore the warning on the cigarette cases.

Correct:The ads say a lot of warnings andreminders about cigarettesmoking but people ignore and they keep on buying it.

Althoughthere are people who try to quit smoking who saw ads but it is veryhard to quit because there is chemical (or drug) in cigarettes.

Correct:Although there are people who's trying to quit smoking whenthey saw the ads , it would still be difficult for them because ofthe withdrawal effect of this in their bodies.

Butthe cigarette companies also have fault of making ads very small onthe side of case.

Correct:On the other hand, cigarettecompanies are also reliable for this.

Ithink we need to make more powerful countermeasure like increasingtax of cigarette.

Correct:I think we need to make more powerful countermeasure like increasingthe tax of cigarette.

HelloMin!

Thispoint of view was really fantastic. I was really amazed on how youweigh things. You gave reasons for each sides. I hope you willcontinue to express what's on your mind. Kindly take note myreminders:

-Becareful with using prepositions and conjunctions. This may alsoaffect the parallelism of your verbs, if they would have to beinfinitive or gerund.

-Usage of articles

-Pleasestudy how to utilize the use of Indefinite pronouns (another, other,all, each, everyone) to prevent noun redundancy. This is veryimportant as a replacement for nouns to avoid overusing the saidnouns repeatedly.