Nowadays,when our society is in the stage of rapid transformation, some people argue whether boys and girls should be educated in the same class or it is better to separate them. It is agreed, that the main advantage of this issue is the ability for children to understand the difference between opposite genders and how to communicate with each other; however ,the main drawback is the possibility of misunderstandings and negative consequences. This essay,firstly,will discuss what positive sides this problem has,followed by an analysis of negative influence,before coming to a reasoned conclusion.