There are various causes of right chest pain and muscle pain, such as pleural disease, inflammation, chest soft tissue injury, etc. The specific causes are recommended to be determined after examination in the hospital, and the common causes of right chest pain and muscle pain are described as follows: 1. Chest pain caused by pleural diseases is the most common type of non-cardiogenic chest pain, due to inflammation, tumor, pneumothorax, etc. on the wall pleura pulling, on the intercostal nerve, phrenic nerve stimulation caused by chest pain. 2. Trauma, inflammation and other pathological changes in the neuromuscular periosteum, such as costochondritis and herpes zoster can cause chest muscle pain. 3. Chest wall soft tissue injury, muscle strain and so on can cause chest pain. Therefore, if you have a right chest pain muscle pain, you should consult a doctor in time so as not to delay the condition, and choose the appropriate treatment program according to the examination results.