Soreness at the root of the right thigh where it joins the crotch can be caused by hip disorders, lumbar disc herniation, pelvic disorders, etc. General, physical, pharmacologic and surgical treatments are feasible. 1. Hip diseases: femoral head necrosis, hip osteoarthritis, hip joint ligament injury and other hip diseases can cause thigh pain, accompanied by activity limitation and other manifestations. Oral analgesic and anti-inflammatory celecoxib can be taken as prescribed by the doctor, and local hot compresses can be used to promote blood circulation and dissipation of inflammation, and surgical treatment is needed if necessary. 2. Lumbar disc herniation: high lumbar disc herniation, such as lumbar 1 to lumbar 3 at the disc herniation, can lead to thigh root and crotch joint pain diagnosis and treatment. Under the guidance of the doctor, ibuprofen can be applied to relieve pain, methylcobalamin and other drugs can be used to nourish the nerves, and massage, traction, physiotherapy can be used to relieve the local muscle tension and improve circulation, and surgery is required for severe cases. 3. Pelvic diseases: Pelvic inflammation and tumor can cause pain in the thigh root and crotch joints. Inflammation can be treated with antibiotics such as cefuroxime and azithromycin under the guidance of doctor, and tumor needs to be treated with surgery after clarification of the condition. When the right thigh root and crotch joint pain need to consult a doctor in time, after a clear diagnosis, under the guidance of specialists to actively carry out appropriate treatment, which will help to alleviate the pain and other uncomfortable symptoms as soon as possible.