Sinking legs should be treated according to the causes. There are many reasons for sinking legs, the common ones are varicose veins of the lower limbs, lumbar disc herniation, muscle strain, etc. Commonly used treatments include general treatment, physical therapy, medication and surgical treatment. 1. Varicose veins of lower limbs: wear elastic stockings or elastic bandage for external compression. Commonly used drugs are venous active drugs such as sodium heptasaponin, warfarin, etc.; peripheral vasodilators such as hexacosanolone cocaine. Surgery is the only way to cure varicose veins of the lower limbs, such as high vein ligation, radiofrequency ablation vein closure. However, there is a certain possibility of recurrence after surgery. 2. Herniated lumbar disc: bed rest, waist circumference protection, physical therapy such as acupuncture, traction, massage, etc. can effectively relieve symptoms. Commonly used drugs include non-steroidal anti-inflammatory drugs such as celecoxib, dehydrating agents such as mannitol, muscle relaxants such as chlorzoxazone and glucocorticoids such as dexamethasone. Surgery should be performed when conservative treatment is ineffective and the condition gradually worsens. 3. Muscle strain: adequate rest, strengthen muscle exercise. Local massage, massage, heat and other physical therapy can relax the muscles, relieve muscle tension with pain can use analgesic drugs such as aspirin, ibuprofen and so on. Sinking legs may have other causes such as cerebral infarction, if there is discomfort, go to the hospital in a timely manner to clarify the cause of the disease and standardize the treatment. The above drugs should be used under the guidance of a doctor, and avoid purchasing and using them on your own.