One is "vegan", the other is "milk egg" and the third is "milk egg". Vegetarianism, also known as "strict vegetarianism" or "veganism", means that there are only plant foods in the diet and no animal foods; Milk-egg vegetarian diet, also known as "not strict" vegetarian diet, refers to a vegetarian diet based on milk and eggs; Milk vegetarian refers to a vegetarian diet that can have milk. From the perspective of nutritional balance, non-strict vegetarian diet is better than strict vegetarian diet. Strict vegetarian diet is not good for pregnant women, patients, people with particularly weak constitution and the elderly, because it is difficult to ensure adequate nutrition.

Attachment: Vegetarianism originally refers to temple dishes that prohibit animal raw materials and five hard dishes (namely garlic, garlic, Ferula, Ci Cong and Ming Cong) and Taoist dishes that prohibit five meats (namely leeks, onions, garlic, mustard greens and parsley); Now it mainly refers to vegetables (including fungi) and fruits.