Mutton is an acidic food. Acidic foods include mutton, beef, pork, chicken, crab, rice, bread, wine, peanuts, walnuts, biscuits and sugar. Ham, eggs, lobster, octopus, squid, buckwheat and cream, among which crabs and mutton are best not eaten. Crabs are too cold and mutton is too hot. Eating more is not good for your health. Just don't eat too much mutton, or you will get indigestion.

Alkaline foods include: tea, cabbage, persimmon, cucumber, carrot, spinach, cabbage, lettuce, taro, kelp, citrus, figs, watermelons, grapes, raisins, strawberries, millet, coffee, coconut apricots, chestnuts (hawthorn, tomatoes, vinegar) taste sour, but they are also alkaline.