Costochondritis can heal on its own. Costochondritis is usually a localized sterile inflammation caused by trauma, compression, exertion, and exposure to cold. The aseptic inflammation causes localized soreness and pain, which increases with chest expansion and deep breathing and decreases with rest. After costochondritis, it is important to limit thoracic movements, especially chest expansion, which can promote the movement of the internal and external intercostal muscles, resulting in increased local pain and other symptoms. After limiting the activities, local physiotherapy with heat and topical fotarine ointment can quickly relieve the symptoms, which are usually cured in a week or so after active treatment. When the local hard nodes and swelling are obvious, it is necessary to give closure treatment, which can make the symptoms get relief quickly.