The most common type of microscopic nodules in the lungs are inflammatory pseudotumors, such as inflammatory nodules caused by Mycobacterium tuberculosis and bacterial infections. At this time, it is recommended to eat vegetables and fruits rich in multivitamins, trace elements, minerals and other bright colors, avoid foods high in salt, sugar, fat and greasy, and eat foods rich in high quality protein such as milk, soy milk, eggs, as well as chicken breast and duck breast. Cooking must be low salt, low sugar, low fat, light, easy to digest and absorb, which can improve the immune function of the lungs and prevent spicy, irritating food from stimulating the airway and causing aggravation of airway inflammation.