一种演化计算技术，来源于对一个简化社会模型的模拟。PSO算法是基于群体的，根据对环境的适应度将群体中的个体移动到好的区域。-An Evolutionary computing technology, comes　a simplified model of social simulation. PSO algorithm is based on population, according to adapt to the environment of the individuals of the population to move to better areas.