Jumping left buttock flesh may be related to nerve compression, muscle fatigue, mental stimulation and other factors. Symptoms of involuntary jumping of the left buttock can occur when there is a herniated lumbar disc, spinal stenosis, compression of the nerves that innervate the left buttock area, and when there is compression of the sciatic nerve by the pyriformis syndrome. The symptoms of throbbing may also occur when the left buttock muscle becomes fatigued and undergoes mild spasm after strenuous activities. Cold weather when the left buttock is cold, cold stimulation, muscle trembling can also cause buttock throbbing. Symptoms of a throbbing buttock on the left hip may also occur when there is high emotional stress. If the left buttock muscle throbbing occurs, it is recommended that the patient go to the hospital for medical examination, to clarify the cause of the disease and to carry out regular treatment.