He went to his home town for spring and brought back some dirt grapefruits, smelling so good, but he couldn't flatter himself. The nutritional value of grapefruit is high, containing very rich proteins, organic acids, vitamins and elements essential to humans such as calcium, phosphorus, magnesium and sodium, and it contains rich Vc, three times more than lemon. Without wishing to waste it, it was decided to make a honey tea, which was purified by fire, a beauty patch and reportedly a cough。