Tofu, milk, celery, potatoes, bamboo shoots, mushrooms, carrots, kelp, mung beans, bananas, watermelons, strawberries, etc. It should be noted that when protein is lacking, the elasticity of the skin will be reduced and wrinkles will appear. However, animal protein contains too much fat and belongs to acidity. The acidity from big to small is pork, mutton, beef, chicken and fish. The food we eat can be divided into "acidic" and "alkaline". Chicken, fish, shrimp, pork, beef, white flour and beer are all "acidic" foods. Another kind is "alkaline" food, such as vegetables, spinach, potatoes, cucumbers, soybeans, kelp, strawberries and so on. The "acidity and alkalinity" of food will affect the bodybuilding of posture and skin.

Generally speaking, rice, noodles, meat, fish, eggs and other foods are almost all acidic substances, while vegetables, fruits, milk, sweet potatoes, potatoes, bean products and aquatic products are all alkaline foods.