The diagnostic criteria for sciatic tubercle bursitis is a combination of history, symptoms, signs and examination. Sciatic bursitis is an aseptic inflammatory disease that occurs between the gluteus maximus muscle and the sciatic tuberosity, with a history of sedentary or squatting strains. The main symptom of sciatic bursitis is pain in the sciatic tuberosity, which is limited to the area without radiating pain, aggravated by sitting down or even inability to sit down, and may be accompanied by a feeling of soreness and distension. The oval-shaped mass can be touched in the painful area, and the border is clear and smooth with pressure pain, and the mass is adhered to the sciatic tuberosity. Bursitis of the sciatic tubercle is easy to bleed, puncture fluid for blood culture, mostly no bacterial growth. X-rays of the sciatic nodes are usually unremarkable. When similar symptoms of sciatic bursitis occur, it is recommended to consult a doctor in time and follow the doctor’s instructions for treatment.