leakage. As a common fishing bait, hanging shrimp meat can increase the success rate of catching preserved fish to a certain extent. However, if the size, shape and weight of shrimp meat are not suitable enough, shrimp meat will miss the hook tip, that is, the bait is not firmly hooked on the fishing hook, and it is easy to fall off or be swallowed by fish, thus affecting the effect of fishing preserved fish.