The recovery time of muscle injury is affected by a variety of factors, the severity of the injury, treatment options, different lifestyles or nutritional status, the corresponding recovery time is different. If the muscle injury is mild, such as a mild muscle strain, it can generally be improved by conservative treatment such as local heat, physical therapy or external application of Chinese herbs, and can recover in about 1-2 weeks. If the muscle injury is serious, such as a serious rupture, anastomosis surgery is required; some parts of the limb also need to be externally fixed with a plaster rest for 4-6 weeks at a later stage, and a rehabilitation period of about 1 month is needed after the plaster rest is removed. So the overall time required is about 3 months. However, if a patient does not receive effective and timely treatment after a muscle injury, and cannot rest in time due to factors such as living environment, or poor nutritional status due to economic conditions, it may lead to a longer recovery time. In short, for muscle strains, patients need standardized treatment, adequate rest, balanced nutrition, and gradual rehabilitation exercises to help the rapid recovery of the injury.