Respiratory infections include upper respiratory tract infections, bronchitis, pneumonia, lung abscess, etc. This is the time to choose foods that have the effect of moistening, clearing, relieving cough and resolving phlegm. For example, vegetables and fruits with brighter colors can be chosen from horsetail, dragon fruit, grapes, pears, pineapples, snowdrops, lotus flowers, cherries. Vegetables can choose carrot, white radish, broccoli, winter melon, celery, purple kale, okra, cabbage, etc. In addition, you can also appropriately supplement a high-protein diet, such as milk, soy milk, eggs, chicken breast, duck breast, etc. These rich nutrients can improve the immunity of the body and have the effect of lung tonic and lung nourishment, which can promote the recovery of respiratory tract infection.