1, rice field selection. Avoid mountain clips, sufficient water source, convenient irrigation and drainage, good water retention, field rice field, solid rice fields, size can be. 2, rice field facilities. 1 In the paddy fields, plastic screens, bamboo rafts, asbestos tiles, etc. or bricks can be used to build a 1 meter high and 15 cm underground escape protection wall. The water inlet and outlet are covered with gauze to prevent the frog from escaping. 2 Ditch a protection trench about 60 cm deep and 100 cm wide around the paddy field to provide a refuge and feed site for frogs when there is a temporary lack of water. 3, seedlings launch. Usually about half a month after transplanting, the young frogs (30-40 g) will be stocked with 3000-5000 eggs per acre, and a small amount of octopus, carp, grass carp and carp can be raised. 4, feeding and management. 1 The young frogs are put into the paddy field and quickly adapt to the environment. At this time, they need to feed a small amount of food, such as small fish, shrimp, yellow mealworms, clams and other live bait, or animal viscera such as pig lung, bovine lung, compound feed etc. , timing, quantitative, positioning, sprinkled on the surface of the protection ditch. You can also use bamboo products to spread a window screen on the surface of the water, feed the feed on the bait, and install black light traps to feed the frogs. 2 Water depth is maintained at 5-15 cm. 3 Every morning and at night, adhere to the inspection of the fence is tight, if there is a crack repair, in order to prevent frog escape and enemy invasion. 4 Before rice fields are planted, sufficient basal fertilizer is applied, and pesticides are carefully placed or pesticides are not applied. Since frogs invest in rice fields, they can catch large amounts of insects. Other pests and diseases are few, and pesticides are generally not required.