Pain like cramps in the buttocks all the time may be related to the following etiology: 1. Peripheral neuropathy may exist. For this area, it is more common to have radiating pain caused by lumbar disc herniation or sciatica. Both of these diseases are due to compression and stimulation of the larger nerve trunk, which then produces discharge-like pain in the nerve distribution area. 2. It may be caused by muscle spasm. It is often caused by a cold condition in the buttocks or a long time in a fixed posture, resulting in a state of muscle spasm. This kind of patients even when resting, the muscle may be in a state of spasm for a long time, followed by cramps and other pain. 3, may be due to a large amount of lactic acid deposition inside the muscle caused by. There are many patients who may feel pain after doing strenuous activities or working out. This is because these strenuous activities lead to the muscles of the hip, such as the gluteus maximus, gluteus medius, pear-shaped muscle, etc., which produce a large amount of lactic acid deposition inside, and lactic acid will have a very strong stimulating effect on the muscle, and when the patient rests, he will feel cramp-like pain.