Abstract: A set of comprehensive physical and biological technology which was based on ozone，infiltration irrigation and biological fertilizer was explored through 10 years of repeated testing and research.It could effectively prevent and control series of problems caused by soil continuous cropping obstacles.Origin，connotation，misunderstanding of theoretical research and related experimental results of this technology were expounded.And promotion suggestions on complete technology about prevention and control of soil pests and diseases by ozone were put forward.