Taking Chinese medicine to treat chronic nephritis generally does not lead to obesity, the specific use of drugs should be under the guidance of a doctor. Patients with chronic nephritis usually have symptoms such as foamy urine, hematuria, high blood pressure and edema, etc. Chinese medicine practitioners often take medicines that tonify the kidneys and benefit the vital energy, and diuretic drugs to eliminate edema. Generally, diuretic drugs such as poria, poria, zejiao, dandelion, plantain, hijinsha, qincao, etc. are added to the drugs for tonifying the kidney and benefiting qi. The adverse effects and contraindications of the above drugs are not clear. Obesity is generally related to congenital factors, personal dietary habits, lifestyle habits, and use of hormonal drugs. Weight gain should be adjusted personal dietary structure, such as eating less fat meat and more fresh fruits and vegetables, and more exercise to promote fat consumption, for hormonal drugs caused by obesity can be adjusted in accordance with the doctor’s instructions for the use of drugs. Patients with chronic nephritis should follow the doctor’s instructions and use medication reasonably to avoid blind use of drugs to affect the recovery of the disease.