Pressing pain on the posterior superior iliac spine is considered to be caused by local muscle injury, fasciitis, etc. Generally, medication, physical therapy, surgery, etc. are carried out according to the cause of the disease. 1. Local muscle injury: when the muscle around the posterior superior iliac spine is injured, it will cause inflammatory reactions such as congestion and edema, and pain will appear when pressing the posterior superior iliac spine. In order to relieve pain, infrared laser, microwave and other physical therapy can be used to promote the metabolism of local inflammatory substances and reduce local inflammation. Anti-inflammatory painkillers such as diclofenac sodium can also be taken as prescribed by the doctor. If the injury is serious and conservative treatment is ineffective, surgery is needed. 2. Fasciitis: prolonged fatigue exercise or cold will lead to aseptic inflammation of the local fascia and other soft tissues, which will cause pressure pain on the posterior superior iliac spine. At this time, pay attention to rest and keep warm. Physical therapy such as magnetic therapy and intermediate frequency electrical stimulation therapy can also be used to improve local blood circulation and reduce pain. Non-steroidal anti-inflammatory drugs such as ibuprofen can also be taken to reduce inflammation and relieve pain. In order to improve the symptoms of pressure pain of posterior superior iliac spine as soon as possible, it is recommended to go to the regular hospital for consultation and treatment.