Red dates, wolfberry, hawthorn, brown sugar to drink in water, where red dates are mainly medicinal food herbs to strengthen the spleen and nourish the heart and blood. The main role of wolfberry is to nourish the liver and kidney, mainly to nourish the yin of the liver and kidney, to treat liver and kidney yin deficiency, and even liver and blood deficiency, wolfberry has certain curative effects, like dry eyes, dizziness, tinnitus, waist and knee weakness and other manifestations of liver and kidney deficiency. Hawthorn can invigorate blood circulation and remove blood stasis. Hawthorn can also strengthen the spleen and eliminate food, treating food accumulation in the spleen and stomach. Brown sugar can invigorate the blood and remove blood stasis, and it can also warm the blood, strengthen the spleen and benefit the qi, so together they can nourish the blood, nourish the liver and kidney, and invigorate the blood and remove blood stasis.