A month without meat if the other diet is normal, the general body will not have significant changes. Meat broadly refers to livestock, poultry, fish, shrimp, crabs, shellfish and eggs and other edible animal meat, but the general population only livestock and poultry meat called meat, excluding fish, shrimp, eggs. If a month only do not consume animal meat and poultry, and consume a moderate amount of eggs, shrimp and fish or beans, etc., there will be no significant changes in the human body, because eggs, shrimp and fish or beans also contain human high-quality proteins, fat-soluble vitamins and a variety of trace elements, which can supplement the body’s essential nutrients. Eggs, shrimp and fish or beans compared to livestock and poultry meat containing less fat is more favorable to human health. However, in line with the principle of nutritional diversity, moderate consumption of all kinds of meat (including livestock meat), in order to ensure that the human body’s various nutritional needs are met.