Garlic has the following effects: First, strong antiseptic. Garlic contains sulfide, which has strong antibacterial and anti-inflammatory effects, and has the effect of inhibiting and killing many kinds of cocci, bacilli, fungi and viruses. Second, prevent tumors and cancer. The germanium and selenium elements in garlic can inhibit the growth and reproduction of tumor cells. Third, detoxify and cleanse the intestines to prevent gastrointestinal diseases. Fourth, lower blood sugar and prevent diabetes. Garlic can promote insulin secretion, increase the absorption of glucose by tissue cells, improve the body’s glucose tolerance and rapidly lower the body’s blood sugar level. V. Prevention of cardiovascular diseases. Garlic can prevent and control fat deposition in cardiovascular and cerebrovascular diseases, induce fat metabolism within tissues, significantly increase fibrinolytic activity, lower cholesterol, inhibit platelet aggregation, reduce plasma concentration, increase the dilatation of micro-arteries, promote vasodilation, regulate blood pressure, and increase the permeability of blood vessels, thus inhibiting the formation of blood clots and preventing atherosclerosis. Sixth, prevent colds. Garlic contains a kind of spicy element called propylene sulfide, which has a good killing effect on pathogenic bacteria and parasites and can prevent colds. Seven, anti-fatigue effect. Garlic is a food containing vitamin B1, and vitamin B1 combined with allicin contained in garlic has a good effect of eliminating fatigue and restoring energy.