Cactus is generally its fruit can be eaten, mainly for the human body to provide vitamins and other nutrients; egg white is also known as egg white, mainly for the human body to provide protein and other substances. Moderate consumption of both can supplement certain nutrients, but both as food, and does not have the same effect as medicine. Generally can be eaten is the cactus berries, its taste sweet and sour, fragrant and tender. It is also rich in nutrients, with each 100 grams of cactus fruit generally containing 12.9 micrograms of vitamin A, 5.8 milligrams of vitamin P (flavonoids), 14 milligrams of vitamin C, 56 milligrams of calcium, 85 milligrams of magnesium, 220 milligrams of potassium, and 11.6 grams of protein. Egg white, also known as egg white, is the clear liquid part of the egg that surrounds the yolk and is rich in amino acids, for example, per 100 grams of egg white there is leucine 919 mg, lysine 708 mg, valine 654 mg, isoleucine 543 mg, phenylalanine 640 mg and so on. It is recommended to consume cactus fruit and egg white in moderation so as not to overload the gastrointestinal tract.