Squatting and bending waist pain may be due to muscle strain, myofasciitis, lumbar degeneration osteophytes and other reasons. 1. Muscle strain: if the patient is long-term strenuous exercise, local muscle tissue may cause strain, resulting in limited activity and local pain symptoms, so the patient may appear squatting and bending waist pain. 2. Myofasciitis: If the patient suffers from myofasciitis, the local aseptic inflammation may cause myofascia and the surrounding soft tissue inflammatory substances increase in concentration, thus causing the patient to squat and bend over waist pain. 3. Lumbar degenerative hyperplasia: lumbar degenerative hyperplasia is a manifestation of lumbar degeneration, when the patient suffers from this disease, most of the stimulation of lumbar muscles and the surrounding soft tissues, and will be accompanied by the emergence of local aseptic inflammation, caused by squatting and bending waist pain. It is recommended that patients should pay attention to rest in the recovery process, do a good job of warm measures, if the condition is more serious, should also go to the hospital in a timely manner for consultation.