Garlic is a common food, not only can be cooked and eaten as a condiment in cooking, but also can be eaten raw, and it can even be used as medicine, which has the effects of antibacterial and antiseptic, preventing frostbite, preventing cold and flu, lowering blood lipids and reducing allergies. 1, antibacterial and antiseptic: garlic contains sulfur compounds and allicin, which can play the role of antibacterial and antiseptic, and has the effect of inhibiting and killing many kinds of cocci, bacilli and fungi, which is one of the better antibacterial agents among natural plants. It is one of the better antibacterial agents among plants, so eating raw garlic can play a certain antibacterial role. 2. Prevent frostbite: eating raw garlic can prevent frostbite, but for frostbite with rupture, it is prohibited to apply raw garlic directly, so it is recommended to take the way of eating raw garlic for prevention. 3. Garlic can play a role in preventing colds to a certain extent; 4. Lowering blood lipids: Eating raw garlic can protect the cardiovascular system, which can inhibit lipid deposition to a certain extent, reduce the accumulation of garbage in the blood vessel wall and lower the concentration of serum cholesterol, thus having a certain auxiliary protective effect on the cardiovascular system, but it does not have the same therapeutic effect as drugs; 5. Alleviating allergies: At the time of seasonal changes, the temperature will change with the change, and some The skin state of the population is more sensitive and may have allergic reactions. By eating garlic in moderate amounts raw has a certain effect of preventing skin allergies.