Abstract: Anti-pollution methods for greenhouse cucumber are studied by means of filtering organic fertilizer to find out reasonable way of fertilization, making experiments by taking advantage of new physical methods such as irradiation with O3-type ultraviolet light, capturing aphid with yellow cardboard and natural freezing to prevent insect pests and plant diseases. Results show that, if applied in production, normal growth will not be affected on vegetable, but also the occurrence of insect pests and plant diseases can be decreased and the chemical pesticides and fertilizers can be reduced in quantity, which greatly help to resolve the problems of poisonous remainders on and pollution to greenhouse cucumber.