It is not advisable to talk about acidity or alkalinity, and no authoritative literature on the acidity or alkalinity of foods can be found. Some of the elaboration of food acidity and alkalinity refers to food ash, which is the oxide of some elements left after the burning of food, which is quite different in nature from the metabolites of food after digestion, absorption and utilization in the body. Mutton is a food that can be eaten in moderation. Lamb is rich in nutrients, such as: rich in protein, fat, selenium, zinc, phosphorus, choline, niacin, vitamin B12, while containing iron, potassium, sodium, magnesium, vitamin K, vitamin B6 and other nutrients, appropriate eating lamb can supplement the human body nutrients needed. Daily dietary attention to moderate eating, lamb allergy should not be eaten.