Cough can eat grapefruit, grapefruit is rich in vitamin C, and sufficient water, more suitable for cough patients to eat. Cough can eat not only grapefruit, but also other water-rich fruits, such as loquat, pears, peaches, cantaloupe and so on. Cough can not only eat more fruit, but also eat more fresh vegetables, especially dark leafy vegetables, also rich in vitamins, for cough recovery is also beneficial. Cough patients should pay attention to a light diet, avoid spicy, stimulating, fried, greasy food, you can drink more warm water, patients with phlegm in the throat can gargle more with light salt water.