The most common reasons for muscle twitching around the buttocks are the following: 1, walking for too long, or not well warmed up before strenuous exercise, muscle contraction for a longer time, less time to relax, the accumulation of lactic acid produced too much can cause muscle spasms. You can apply local heat and warm up fully before exercise, exercise can do muscle stretching action can reduce the chance of muscle twitching. 2, cold stimulation can occur after the local muscle ischemia, hypoxia and twitching discomfort, so usually do not be cool, need to pay attention to warmth. 3, calcium deficiency is likely to cause muscle excitability increased, the phenomenon of twitching. The common population is the elderly, can check the blood calcium concentration to confirm the diagnosis, can supplement calcium to relieve the symptoms.