Right chest pain during inhalation can be caused by right chest wall lesions, lung or pleural lesions, diaphragmatic lesions, etc. It is recommended to consult a doctor in time. 1. Right chest wall lesions: such as right chest wall abscess, herpes zoster, rib contusion, costochondritis, intercostal neuralgia, etc. The pain is often triggered or aggravated by deep inhalation, lifting the arms and other thoracic activities, and the lesion is often accompanied by obvious pressure pain. 2. Lung or pleural lesions: such as lung infection, lung cancer, pleurisy, pneumothorax, etc. The pain may be triggered or aggravated by activities, deep inhalation and coughing, and the patients may also suffer from coughing, coughing up sputum, fever or even hemoptysis and other uncomfortable symptoms. 3. Diaphragmatic lesions: such as diaphragmatic hernia, diaphragmatic tumor, diaphragmatic spasm, etc. The pain is mostly located in the lower chest, and the chest pain can be aggravated by deep breathing. If the right chest pain occurs when the patient inhales, occurs frequently or the symptoms are more serious, the patient should consult a doctor in time to find out the cause of the disease under the doctor’s guidance and follow the doctor’s instruction to carry out the corresponding treatment.