Disease analysis: Hello, the fundamental purpose of piriformis syndrome treatment is to eliminate the inflammatory lesions of piriformis muscle and relieve the oppression of piriformis muscle on sciatic nerve. Early treatment can stop the disease of piriformis muscle and stop the compression of nerve. Suggestion: those who can not be relieved by conservative treatment in the late stage can choose surgical treatment to relieve oppression. Therefore, the disease can be cured and the prognosis is good, no matter whether it is effectively treated in the early or late stage.