2, hawthorn is rich in vitamin C, which is beneficial to the metabolism of the whole body and has the effect of lowering blood fat and blood sugar. Suitable for obese people, as long as the blood sugar is not particularly high, but people with diabetes and obesity are advised not to eat hawthorn, which may raise blood sugar. Lycium barbarum has the function of nourishing yin and eliminating dampness. Drinking hawthorn and wolfberry tea regularly can enhance the water in the body and help to cool off the heat.