Common acidic foods can be divided into strong acidic foods, medium acidic foods and weak acidic foods according to their strength.

Strongly acidic food: egg yolk, cheese, dessert, sugar, tuna, flounder, mullet roe, firewood.

Moderately acidic food: ham, bacon, chicken, pork, eel, squid, beef, beef liver, bread, wheat, cream and horse meat.

Weakly acidic food: white rice, pasta, peanuts, beer, laver, octopus, loach, clam, chocolate, hollow powder, fried tofu, Chinese cabbage, eggplant and onion.

In addition, we can understand some acidic foods according to the classification methods of vegetables, fruits and meat.

Vegetable-asparagus bean (dried), Gao Xiao Reina,

Fruits-bananas (immature), olives (immature and pickled), fruits for storage (jellies, canned fruits, preserves, dried and bleached preserves), plums (slightly acidic) and dried plums (slightly acidic).

Dairy products-cream cheese ice cream milk (except fresh milk)

Meat-all meat, fish and chicken.

Cereals-wheat, barley, bread (made of various flours), corn (the part that grows outside the ear shaft), macaroni, noodles, cereals and rice.

Tree fruit-fruits on other trees except the above-alcohol, candy, cocoa, chocolate, Coca-Cola and other cool drinks, salad dressing, spices, vinegar and so on.