1. Improve digestive function: Hawthorn is rich in acidic substances and cellulose, which can stimulate gastric juice secretion, enhance intestinal peristalsis, and promote food digestion and defecation.

2. Lowering blood pressure and lowering blood lipid: dried hawthorn contains a variety of effective substances, such as maslinic acid and vitamin C, which can lower blood lipid and prevent hypertension and cardiovascular and cerebrovascular diseases.

3. Enriching blood and activating blood: The red pigment in dried hawthorn can stimulate blood circulation, promote blood circulation, increase oxygen supply, and help prevent anemia and other diseases.

4. Antioxidant: The dried hawthorn contains a variety of antioxidant substances, which can scavenge free radicals, slow down aging and enhance immunity.

However, there are some taboos in soaking hawthorn in water:

1. People with spleen and stomach deficiency and cold should not eat it. Because hawthorn tastes sour and cold, it is easy to hurt the spleen and stomach, making those with spleen and stomach deficiency and cold more weak.

2. Patients with digestive tract diseases should not eat too much. Because dried hawthorn can promote gastric juice secretion and intestinal peristalsis, excessive consumption may aggravate the symptoms of digestive tract diseases.

3. People with liver dysfunction should not eat. The acidic substances rich in dried hawthorn will aggravate the condition of patients with liver insufficiency.

4. Pregnant women should not eat. Because dried hawthorn has contractive effect, it is easy to cause uterine contraction and affect fetal health.