Costochondritis is usually a non-specific or infectious inflammatory lesion that occurs in the costochondral region. Costochondritis is a chronic non-specific inflammatory lesion that occurs in the costal cartilage due to various factors such as viral infection, chronic strain injury, endocrine abnormality, and so on. Clinical symptoms include pain in the sternum, aggravation during upper limb activities, coughing, etc. If left untreated, it may lead to involved pain in the breast on the same side. Once diagnosed with costochondritis, patients can be treated with drugs such as celecoxib and ibuprofen under the guidance of the doctor, and hot compresses can be applied in daily life. If the patient’s condition is more serious, surgical methods such as rib chondroplasty can be adopted under the guidance of the doctor for treatment. Patients with costochondritis should pay attention to proper rest and avoid overwork in daily life. It is recommended to determine the treatment plan under the guidance of the doctor and avoid blindly using medication by oneself.