Drinking Chinese medicine for a long time may cause double lower limb edema. If the body suffers from diseases, need to drink Chinese medicine for a long time to adjust, under the influence of some side effects of Chinese medicine, or improper decoction, etc., may lead to double lower limb edema. However, if you have endocrine disorders, renal insufficiency, kidney diseases or lower limb vascular diseases, etc., it may also cause double lower limb edema. In this case, you should go to the regular hospital as soon as possible for examination and early exclusion of related disease factors. It is recommended to go to a regular Chinese medicine hospital for consultation and medication, and to take the decoction and medication under the guidance of a professional Chinese medicine practitioner, and to understand the contraindications and precautions related to drinking Chinese medicines, so as to avoid bringing harm to the body. It is not recommended to drink Chinese medicine for a long period of time if it is not necessary. If you do need to take Chinese medicine for a long period of time after going to the hospital, you should strictly follow the doctor’s instructions, drink the medicine, have regular checkups, and stop taking the medicine in time when your condition improves.