The main types of costochondritis are non-specific costochondritis, which includes pain, swelling, and self-limiting, and infectious costochondritis, which includes pain and signs of infection. 1. Nonspecific costochondritis (1) Pain: it mainly includes localized pressure pain and peripheral involvement pain, and most of them present as dull pain. (2) Swelling: local soft tissue thickening, local swelling, protruding from the surface. (3) Self-limiting: most of the corresponding lesions can recover by themselves without too much intervention. 2. Infectious costochondritis (1) Pain: manifested as localized pain and discomfort, obvious symptoms, seriously affecting daily life, and some patients are restricted in breathing. (2) Symptoms of infection: mainly manifested as local redness, swelling, fever, and in severe cases, local tissue ulceration may even occur. Apparent symptoms of costochondritis, and has not been able to relieve, need to consult a doctor in time for observation, under the guidance of clinicians for standardized treatment.