Patients with cough can eat leeks. Cough is a common symptom of respiratory diseases, and many diseases can cause cough. Patients with cough should pay attention to dietary regimen, eat less spicy and stimulating food, supplement nutrition and increase body resistance. Leeks are rich in vitamin C, carotene, minerals and carbohydrates, and have antiseptic, anti-inflammatory, and blood circulation effects. When patients with cough eat leeks, they can replenish the relevant nutrients and increase the body’s resistance to disease. In addition, patients also need to actively identify the cause of cough, to treat the cause, and then combine it with symptomatic treatment and dietary modifications to achieve better results for cough symptoms.