Costochondritis mostly refers to costochondritis, which can be categorized into non-specific costochondritis and infectious costochondritis. Non-specific costochondritis is characterized by chest pain. Infectious costochondritis is characterized by chest pain and inflammation. 1. Non-specific costochondritis: Chest pain is characterized by local pain with pressure pain, the pain site is relatively fixed, may be accompanied by local swelling and elevation, and there is no heat or redness on the skin of the pain site. Chest pain is usually aggravated when coughing or deep breathing, and the chest pain can radiate to the shoulders and forearms. 2. Infectious costochondritis: manifested as obvious persistent chest pain, local skin will appear red, swelling, heat, pain and other inflammatory reactions, there may be sinus formation, pain is obvious when pressing, may touch the fluctuating sense. It is recommended that patients with costochondritis go to regular hospitals in a timely manner to avoid delaying the condition.