要生产优质卫生的无公害蔬菜，首先要以预防病虫害为基础．优先采用生物防治措施，不使用高毒，高残留农药，把蔬菜中农药残留量控制在规定标准以下。以下是可供选择的高效、低毒、低残留的农药．其安全中间隔期也都较短。没有安全间隔期的农药有：杀蚜素、青虫菌等生物农药． To produce high-quality, hygienic and pollution-free vegetables, the first step is to prevent pests and diseases. Preferential biological control measures, do not use highly toxic, high residual pesticides, vegetable pesticide residues in the control of the following standards. The following is to choose from efficient, low toxicity, low residual pesticides. The safety interval is also shorter. There is no safety interval of pesticides are: kill aphids, caterpillar fungus and other biological pesticides.