Of course, medlar, astragalus and hawthorn can also be soaked in water together. These three kinds of herbs are non-toxic, and some are medicinal and edible herbs. Lycium barbarum can enhance human immune function and comprehensively promote bone marrow hematopoietic function. Can delay aging; Has anti-tumor effect; It can reduce blood fat. Astragalus has the functions of invigorating qi, enhancing immune function, delaying aging, resisting tumor, lowering blood sugar, and treating AIDS, tuberculosis and hypotension. Hawthorn helps digestion, promotes blood circulation, removes blood stasis and lowers blood fat. Can be used for dyspepsia and hyperlipidemia.