1. Use a small fishing net to catch small fish or shrimp. After seeing small fish and shrimp, you can directly pick them up with a small fishing net.

2. Catch shrimp in a shrimp cage. The cage has two entrances, from which shrimp can not easily get out, and there is an opening at the intersection of the "D"-shaped cage. There is a cover at the opening. Baits such as fish bones, rice bran and wheat bran are put in from here before operation, and the cover is covered. Hundreds of cages are tied together with ropes every 4- 10 meters.

3. Shrimp balls catch shrimp. Shrimp balls are made of bamboo strips, wicker and packaging belts. 60-80 cm in diameter. They are oblate hollow spheres. Broken nets, bamboo tips, bamboo filaments and palm filaments can be packed in hollow balls, tied with ropes, and tied with buoys at the other end.

4. Shrimp oysters catch shrimp. There are many ways to catch river shrimp, and it is better to catch river shrimp in cages.

5. If the prawn cage is directly blocked by the river, the prawns will flow through the cage with the river and finally be intercepted.