Abstract: It's significant for maintaining the rural ideology security in the minority areas and promoting the construction of the rural ideology security. So, the coordinated development of Four Comprehensives will be promoted in Yunnan. Based on the questionnaire of 500 village directors and party branch secretaries of the ethnic areas in Yunnan, the study found some factors affecting the rural ideology security, which including foreign ideology, the market economy, the religious power and the superstitious ideas. To construct the rural ideology better, the problems and reason should be put forward firstly, then put into effect the measures, such as to respond to the problem actively; to seize the opportunity of develop; to carry out reverse osmosis education, and to seize the mainstream ideology of propaganda, and so on.