do you think using mobile phone should be banned in some certain place?explain why.

Recently ,there is a hot discussion that using mobile phone should be banned in some certain place or not around my class .Some classmates said that it is of course no ,but I am disagree with them .
Generally speaking ,many people think it is personal question ,so you have no reason to forbid other person .However ,(理由1) ,I think .Furthermore ,(理由2) ,(理由3) in addition .Last but not least ,(理由4) .
In the end ,what I want to say is whether my opinion is right or not ,I just join it .
(PS：不知道怎么样,就当抛砖引玉吧,提前预祝你写出精彩的文章～)