Bursitis requires a combination of history, symptoms, and ancillary tests for diagnosis. 1. Medical history, mostly caused by long-term chronic and repeated friction irritation, such as wearing too tight shoes, sitting on a hard bench for work or trauma. 2. The common symptoms of bursitis include swelling, which mainly occurs in the joint or bone protruding parts, and is soft to the touch, and sometimes a round or round-like swelling; pain, which is mainly manifested as swelling and pain, and it is also painful to press on the area; and limitation of activities, and the more serious bursitis may also lead to adhesion of the surrounding tissues, which affects the joint activities. 3. Common tests for bursitis include routine blood tests, puncture and aspiration, X-ray and so on. Blood routine can see the white blood cell count rise, but if the inflammation is not very serious, the rise may not be obvious; puncture fluid to determine the nature of the fluid, to exclude rheumatoid arthritis, gout and other diseases; X-ray can see the condition of the bone, bursitis usually does not affect the bone, can exclude bone lesions. Elbow, heel, knee, hip and other parts of the pain, swelling and other symptoms, not necessarily bursitis, it is recommended to consult a doctor in a timely manner to clarify the cause of the targeted treatment.