1, should not be taken with ginseng and other tonics at the same time, and should not be eaten too much at a time. People with weak spleen and stomach should eat carefully.

2. Hawthorn in hawthorn tea has the function of destroying qi, and eating too much will consume qi, which will affect the health of pregnant women and the development of the fetus. At the same time, hawthorn can also strengthen the contraction of uterus, which can cause premature delivery or abortion.

3, hawthorn contains a large amount of fruit acid, which has the effect of convergence and stimulation of gastric mucosa. The spleen and stomach function of the elderly is weak, and the development of children's spleen and stomach function has not yet been completed. Eating too much hawthorn will consume stomach gas, reduce digestion ability, and cause indigestion or emaciation.

4, people with more stomach acid hawthorn can stimulate the secretion of stomach acid, so that the stomach acid increases rapidly and the concentration increases, which is easy to cause nausea and acid vomiting, and in severe cases, it can cause peptic ulcer.

Extended data:

Efficacy and function of hawthorn tea;

1, Hawthorn has contractive effect on uterus, has the effect of giving birth to pregnant women in labor, and can promote postpartum uterine recovery.

2. Flavonoids, vitamin C, carotene and other substances contained in hawthorn can block and reduce the generation of free radicals, enhance the body's immunity, and have anti-aging and anti-cancer effects.

3. Hawthorn contains ingredients for relieving asthma and resolving phlegm, inhibiting bacteria and treating abdominal pain and diarrhea.

People's Daily Online-hawthorn tea has many nutritional effects, but there are also many drinking taboos.