Garlic is a common ingredient, most people can consume steamed garlic water, but people who are allergic to garlic should be prohibited from consuming it. In addition, there is no clear clinical “which three people can not drink steamed garlic water”. Garlic is a common ingredient, and it is mostly used as a seasoning in life. Garlic is rich in nutrients, containing fat, protein, sugar, vitamin C, sulfide, carotene, crude fiber and calcium, iron, phosphorus and other mineral elements. Steamed garlic water has a special flavor, can be used for seasoning, most people can eat, appropriate consumption to a certain extent for the body to supplement the required nutrients. However, people who are allergic to garlic should not consume steamed garlic water, so as not to induce an allergic reaction. Garlic contains a lot of sulfide, easy to bad breath after eating the phenomenon, and a large amount of consumption may cause gastrointestinal discomfort, therefore, consumption of steamed garlic water should be moderate. It is recommended that patients should go to the hospital in time when they feel unwell, and should not blindly use steamed garlic water on their own to avoid delaying their condition.