3,5-Dimethylpiperidine is an important derivative of piperidine and is widely used in the preparation of antifungal agents and plant growth regulators. Cis-3, 5-dimethylpiperidine can also be used as an intermediate in the synthesis of methylheterocyclic insecticides and compounds that can regulate dietary behavior and related diseases. The related diseases include obesity, diabetes, cancer (tumors), inflammatory diseases, depression, stress-related diseases and Alzheimer's disease, etc. Therefore, this product has significant application value in the fields of medicine and pesticides.