At present, it has not been proved to be an artifact to catch leeches, but there are some effective methods to use. First of all, chemical agents such as ants and insect insecticides can be used, but attention should be paid to the use method and safety issues. Secondly, you can use the light to trap the leeches, and put the light on the ground, and the leeches will be attracted, and then you can catch them directly with your hands or other tools. Finally, we can use some special locust catching equipment, such as adhesive tape, mosquito nets, etc. These tools can protect crops, but we also need to pay attention to the use method and the quality of the equipment when using them. To sum up, it has not appeared yet, but some effective methods and tools can be used to capture and control leeches.