Chest muscle strains usually recover in 2-4 weeks depending on the degree, as follows: first, mild chest muscle strains: only short-term braking and continuous cold compresses are needed, generally 1-2 weeks to make the symptoms significantly relieved, while 2-3 weeks more will be a complete recovery, the muscle will not remain after-effects. Second, moderate to severe chest muscle strain: it usually takes at least 2-3 weeks to relieve the pain, and after 2-3 weeks, patients need to cooperate with rehabilitation training to restore the muscle activity and avoid the formation of local scarring which leads to muscle adhesion and affects muscle activity. Through comprehensive treatment such as active exercise, the chest muscle strain can be fully recovered in about four weeks. After a patient has a chest muscle strain, early treatment must be carried out according to different degrees in order to achieve complete relief of clinical symptoms, and rehabilitation training is also crucial in the recovery process of muscle strains.