(1) Take 3-5g of Xueyan and soak it for more than 24 hours, and change the water several times in the middle, because there are many impurities in Xueyan ginseng, and changing the water in the middle can remove the impurities.

(2) Put the soaked snow swallow into a saucepan, add 2/3 of snow swallow water, boil and simmer for 30 minutes.

(3) Cut the red dates, medlar and brown sugar, and continue to cook for 15 minutes.

Step 2: Efficacy

(1) provides energy.

Xueyan contains L- rhamnose. The main function of sugar is to provide heat energy, and part of the energy needed by human body is provided by sugar. In addition, sugar is an important substance that constitutes tissues and protects liver function.

(2) Moisturizing and skin care

The vanishing cream contains D- galacturonic acid, which is a natural uronic acid, also known as hyaluronic acid, and can improve skin dryness and replenish skin moisture. Eating Xueyan has a good moisturizing and skin care effect.

(3) Runchang laxative

Xueyan contains L- arabinose, which is difficult to be absorbed by digestive tract. Unused parts of the body can be excreted from urine, which can relieve constipation, relax bowels and effectively promote the growth of Bifidobacterium.

(4) Assisting to lose weight

L- arabinose in Xueyan can inhibit the accumulation of body fat, so it can be used for patients with obesity, hyperlipidemia and other diseases. Eating snow swallow can not only beautify the skin, but also help to lose weight.

(5) strengthening the brain and improving intelligence

Snow geese contain D- galactose, which is the decomposition component of lactose in mammalian milk. D- galactose is the component of cerebroside in the cranial nerve system, which is closely related to the growth of the brain after the baby is born. Therefore, proper consumption of snow swallow can supplement galactose needed by the brain, which is of great help to the brain and intelligence.