Abstract: The appeal system of the current civil procedure in our country exists in an mistake in function setting up.This phenomenon affects directly the function of appeal the system should have.Moreover,it also opens convenient door for the higher court interfere with the judgment of the lower court.So it is very important to definite the function of appeal afresh,to develop the function that system should have.The functions of appeal mainly have two aspects: one is to realize right relief for entity r.