The following causes of rib muscle pain are common: First, trauma: such as rib fractures, intercostal muscle injury can lead to rib muscle pain, and accompanied by local activity restrictions, breathing amplitude of movement can also be seriously affected, taking X-rays can find rib fractures, and even displacement, serious cases can also appear hemopneumothorax, affecting respiratory function. Second, the chest muscle strain: patients overexerted leading to muscle strain, can also be manifested as rib muscle pain symptoms, and accompanied by limited activity, after rest, braking can make the symptoms can be alleviated. Rib muscle pain must be diagnosed early and treated early, and if trauma occurs, imaging examinations such as X-rays should be taken in time to confirm the cause, and other treatment methods should be chosen according to the cause in order to get complete relief of clinical symptoms. In normal life, attention should be paid to protecting the ribs and intercostal muscles from trauma and severe strain to prevent the symptoms of rib muscle pain.