Patients with pulmonary cavities can usually eat more fruits and vegetables with high vitamin content. Fruits such as grapefruit, pears, apples, oranges, bananas, etc., can also eat more leafy vegetables, such as spinach, lettuce, Shanghai green, etc., can also eat more bitter melon, loofah. Also need to strengthen nutrition, increase the intake of high-calorie, high-protein food, you can eat more lean meat, eggs and dairy products, ribs soup, carp soup or big bone soup, light taste can be. You can also drink more porridge, often drink lotus seed lily porridge, can play a role in nourishing Yin and moistening the lungs. A reasonable diet can make the disease recover faster and is also conducive to the treatment of the disease. The usual diet can be changed to a small number of times, to reduce the intake of sodium salt. Patients with pulmonary cavity who have lung infection or cough and sputum need to take cefixime tablets or azithromycin tablets.