Natural penicillin generally refers to penicillin G. Therefore, there is no such thing as a natural penicillin food. Food, which generally refers to nutrients such as proteins and fats, carbohydrates, dietary fibers and vitamins, minerals, etc. that can provide the body with energy and basic substances for the metabolism of life, commonly includes staple foods, meat, vegetables, fruits, and so on. These do not have any disease-curing properties. Penicillin is the name of a class of antibiotics, of which penicillin G is natural penicillin, that is, an antibiotic extracted from the culture of penicillin mold, with strong antibacterial effect, high yield, low toxicity and other characteristics, but the antibacterial spectrum is relatively narrow. The other types of penicillin, which cannot be separated from synthetic, belong to semi-synthetic penicillin. Penicillin is a kind of antibiotic, not to be abused, need to be used strictly under the guidance of doctors. Otherwise, it will easily lead to bacterial resistance, which is not conducive to the control of the disease.