1, pineapple: The bromelain contained in pineapple can not only help cold patients to relieve the symptoms of sore throat and cough, but also effectively decompose protein in food, increase gastrointestinal peristalsis and enhance the body's immunity.

2, pear: pear is cool, sweet, can produce fluid, clear away heat and resolve phlegm. It can obviously relieve symptoms such as wind-heat cold, fever, dry mouth, cough and expectoration.

3, sugar cane: sugar cane is cold, sweet, can clear heat and produce fluid. According to the Diet Spectrum of Living with Interest, sugar cane has the function of "benefiting the throat". When you have a cold due to wind-heat and have a sore throat, dry mouth and cough, eating sugar cane can clear the fire and relieve the symptoms.

4, grapefruit: grapefruit is cold and sweet. Contains a variety of nutrients, such as carotene, vitamin C, vitamin Bl, vitamin B6, nicotinic acid, etc., which can eliminate phlegm, relieve cough and benefit the lung. However, grapefruit is cold and should not be eaten in excess.

5. Citrus: Citrus fruits with strong sour taste are eaten together with honey, or citrus juice is added with honey and then boiled with boiling water, which is very effective in treating sore throat.