Snails are one of the common pests in the cotton area. They usually have their first peak of spawning in April-May, and harm the cotton seedlings in May-June. They have a second peak of egg laying in August-October and endanger vegetables and soybeans. . This year, the occurrence of snails in the cotton fields was heavier, especially in the cotton fields where the terrain is low and the drainage is poor, resulting in more serious damage to the cotton fields and causing shortage of seedlings. In order to reduce snail damage, one must clean the ditch, reduce the humidity of the cotton field, control the growth and breeding of snails; Second, timely transfer of seedlings to fill the gap; Third, grab the sunny cultivator, turn the snail eggs out of the field sun; Fourth, appropriate follow-up available fertilizer , To increase the tolerance of cotton seedlings. Chemical control: Use 6% Myda granules per acre or 6% wormworm granules 250-500 grams, spread from 30-40 cm anterogradely on cotton plants, or use 90% crystals of trichlorfon 1000-1500 times Spray; can also be used per acre with 90% crystal trichlorfon 250 grams, and 5 kg of sauteed cotton cake powder mix bait, spread in the cotton field in the evening.