Early symptoms of funnel chest include chest tightness and chest pain, cyanosis, arrhythmia, angina, recurrent respiratory infections, and easy fatigue. Typical signs of funnel chest are pit-like depression in the anterior chest with varying degrees of forward shoulder tilt and forward head extension. The respiratory symptoms present in funnel chest are reduced motor function of the patient, who is prone to chest tightness and shortness of breath, fatigue, cough and other symptoms. Lung insufficiency and respiratory tract infections can also occur when lung ventilation is affected. Patients with cardiovascular symptoms of funnel chest may have symptoms such as rapid heartbeat, palpitation, chest pain and so on. Insufficient blood supply to the heart may also cause symptoms such as cyanosis. If the diagnosis of funnel chest, should promptly seek medical treatment, not unauthorized treatment. Pay attention to rest on weekdays and avoid overwork.