The symptoms of funnel chest are different, and the treatment methods are different. Severe pectus excavatum will lead to severe chest deformity in patients and need surgical correction. Patients with mild symptoms of funnel chest can generally take conservative treatment. Through daily exercise and nursing, the symptoms of patients can be alleviated and the symptoms of funnel chest can be avoided. However, mild pectus excavatum that does not compress the heart and lungs may not be operated unless there is a requirement for plastic surgery. If plastic surgery is required, mild pectus excavatum can also be operated.