culture method of grass shrimp: grass shrimp has dark brown horizontal pattern and belongs to euryhaline shrimp species. Only when the salinity is above 5×1-3 can shrimp grow normally, so the salinity of the culture pond should not be lower than 5×1-3. Before the shrimp pond is released, it must be fertilized to ensure that the shrimp seedlings have enough natural bait for them to eat after entering the pond. Organic fertilizer (such as fermented chicken manure, etc.) is put into the pond by hanging bags, the dosage is 1~15kg per mu, and the transparency of pond water is required to be 3~4cm.