Squatting for a few minutes after the waist will be painful to consider and lumbar muscle strain, lumbar intervertebral disc herniation and so on. 1. Lumbar muscle strain: lumbar muscles, fascia and other soft tissues due to overwork and other inflammatory changes, resulting in chronic injury, can cause lumbar pain, decreased activity function and other symptoms, squatting will lead to lumbar muscle and fascia fatigue, thus causing pain. 2. Lumbar disc herniation: lesions occur in the lumbar intervertebral discs, the nucleus pulposus protrudes from the annulus fibrosus, compressing the surrounding tissues in the lumbar region, triggering a series of symptoms such as lumbar pain and radiating pain in the lower limbs. Lumbar pain after squatting for a few minutes may be caused by a variety of reasons, it is recommended to improve the lumbar spine CT, MRI and other auxiliary examinations, to clarify the cause of the cause of the treatment, so as not to delay the condition.