Generally after exercise causes muscle lactic acid accumulation, it takes about a week to decompose, and the soreness will be relieved in about a week. When this situation occurs, treatment recommendations are as follows: 1, local heat compress: can accelerate the decomposition of lactic acid, through local heat compress can improve blood supply, remove excessive lactic acid; 2, develop regular sports habits: can increase the efficiency of lactic acid removal, generally regular exercise in the population or athletes, after exercise is not easy to cause muscle soreness; 3, massage, massage: can improve muscle spasm, relieve symptoms.