Abstract: The prisoner’s dilemma is a philosophy’s problem.This game may seem simple but it has generated a huge amount of research and has been used to analyze and explain a multitude of real world scenarios such as businesses interacting in a market,personal relationships,super power negotiations and trench warfare“live and let live” system of World War I.How to solve the problem? In this paper,applies genetic algorithms in the IPD to solve it.Based on the algorithms,takes a experiment,and the result reached the goals.