Usually the cause of tight leg muscles is muscle congestion after exercise, which leads to a smaller gap between the muscles and triggers the feeling of tight muscles. Generally is a normal situation, there is no need to worry too much, if you want to relieve can take local massage, hot compresses or stretching and other ways. The main purpose is to promote blood circulation and improve the symptoms of local tightness. When the symptoms of muscle tightness are strong, massage instruments can be used to relax the skin muscles, such as muscle rollers. If the muscle tightness is more serious, it may produce the symptoms of muscle spasm, should immediately stop the movement, gradually relax the muscle to achieve gradual relief, in serious cases can also be given muscle relaxation drugs to assist muscle recovery. However, under normal circumstances, it is not recommended to restore the normal state of the muscle through drugs.