1, it is easy to cause excessive internal heat. If garlic is eaten too much, it will lead to oral ulcers, red eyes, sore throat, hoarseness, constipation and high incidence of hemorrhoids. The intake of garlic should be strictly controlled, otherwise it will cause yin deficiency and excessive fire.

2. It is easy to cause inflammation and ulcer of digestive tract, because garlic is rich in allicin. If the intake is too much, it will have a strong damage and corrosion effect on the mucosa of digestive tract, which will easily lead to gastritis, gastric ulcer, enteritis and intestinal ulcer. It is necessary to strictly control the intake of garlic.