Muscle strain is the name of a disease in Western medicine diagnostics, while tendon strain is the name of a diagnosis in Chinese medicine. Usually, muscle strains are often seen during strenuous exercise or heavy physical work, caused by improper posture. It is usually seen in muscle strains of the lower back and extremities, where the strain is followed by damage to the muscle fibers, local capillary bleeding, swelling, and consequent pain. It usually manifests as a radiating pain, tingling sensation in the injured muscle area, and movement will be significantly limited. And tendon strain is the name of the TCM diagnosis, tendon is a wide range of soft tissues other than bones can be called tendons, such as muscle, ligament injury can be called tendon strain. Muscle strains can also be called tendon strains in the diagnosis of Chinese medicine, muscle strains and tendon strains are treated according to the same principles.