Abstract: In China,pork takes an important part in people’s cookbook and it is really close to everyone.It is fact that the pig market fluctuates sharply which has called attention of the government and others.And people’s life has been influenced deeply.Since the information of pork market is difficult to acquire,the fluctuation is not regularly.People show less enthusiasm for feeding and their life is influenced seriously,because there are many shortages existing in supervisor and reserves management.This research will study on the reason for it and provide solutions to make pig market develop healthily and steadily.