The pain in the inner thigh is generally different according to the cause of pain, and different treatment methods can be taken clinically. If the pain is caused by strained inner thigh muscles during strenuous activities, it is suggested that the patient should rest thoroughly and apply local ice for 24 hours to reduce the tissue exudation. 24 hours later, the ointment of Jinhuang San can be applied externally and blood circulation and stasis cream can be applied, and oral medicine such as bruise pill and swelling and pain can be taken to promote the swelling of local muscles to subside. Bone tumor causes pain in the inner thigh, mostly seen in adolescent patients, the tumor cells will cause local swelling and pain. After surgery, combined with local radiotherapy and systemic chemotherapy to kill the cancer cells in the body, patients with serious condition may even need to have amputation to save their lives.