The apices of the lungs are the upper, bluntly rounded ends of the lungs that pass through the upper thoracic opening to reach the root of the neck. Lungs are located in the thoracic cavity, conical, including the tip of the lungs, lung base, rib surface, diaphragmatic surface, etc. The tip of the lungs refers to the upper end of the lungs, passing through the upper thoracic opening to reach into the root of the neck, and arriving at the 2~3cm above the medial 1/3 section of the clavicle; when breathing calmly, the base of the lungs is located in the mid-clavicular line and the intersection point of the 6th rib, the 8th intercostal rib of the mid-axillary line, and the 10th intercostal rib of the shoulder-blade line; the tip of the lungs, because of the poor blood transport, is the good incidence site of pulmonary tuberculosis. Lung is an important organ of the human body, the emergence of lung discomfort timely consultation, under the guidance of the doctor treatment, daily attention to avoid smoking, away from irritating gases, cooking should open the hood.