Grapefruit is rich in protein, organic acids, calcium, phosphorus, magnesium, sodium and other essential elements, which is incomparable to other fruits. Grapefruit meat is also rich in vitamin C and insulin-like components, which has the effects of lowering blood sugar, reducing blood fat, losing weight and beautifying. Regular consumption can help treat diseases such as hypertension, diabetes, arteriosclerosis, etc., and has the effect of strengthening the body and caring skin for obese people.

Grapefruit has the functions of relieving cough and asthma, clearing away heat and resolving phlegm, and can treat cough. Pomelo peel can cure cough and help digestion. Cut the dried pomelo peel into filaments, boil it in a small pot, and then drink it. For tension headache, dry pomelo peel, boil it in water, put it in warm shampoo and rinse it with water. After processed, dried tangerine peel tastes pungent, bitter and warm, and enters the spleen and lungs. It has the effects of promoting qi circulation, invigorating spleen, reducing adverse reactions, stopping vomiting, regulating middle energizer, stimulating appetite, eliminating dampness and resolving phlegm, and is suitable for abdominal distension, belching, nausea and vomiting caused by qi stagnation of spleen and stomach.

People who often catch cold, cough and have sensitive trachea can use a fresh grapefruit to remove the core, leaving skin and meat, add 50g of Zhengbei apricot, 50g of Fritillaria, 50g of unbleached tremella (or yellow ear), add 1 0,000 to 1 500g of honey, stew for five or six hours, and then store in a sealed way. Taking it every day can strengthen the lungs.