Radiation pneumonitis may present with symptoms such as chest pain, coughing, and palpitations, which can be treated with medication. Radiation pneumonitis is caused by damage to the lung tissue after radiation therapy. Clinical manifestations include chest pain, cough, palpitations, and may be accompanied by fever. The main treatment for radiation pneumonia is the use of medication under the guidance of a doctor. The application of glucocorticoid drugs, antibiotics, expectorants, etc. to symptomatic relief of symptoms. (1) Glucocorticoid: it can reduce the damage of lung cells and relieve the congestion and edema of lung tissues. It is given orally or by intravenous infusion, and commonly used glucocorticosteroids include dexamethasone and so on. (2) Antibiotics: antibiotics can be used for treatment when bacterial infection is found on examination, amoxicillin can be used, etc. (3) Expectorants: Ambroxol can be taken, which can dilute the sputum. It is recommended that patients with radiation pneumonitis should go to the hospital for examination in time, and carry out relevant treatment under the guidance of doctors.