It depends on the growth environment of cactus to determine the nutritional components contained in its fruit. Cactus is a tufted succulent shrub, which likes light, heat and drought. The most suitable soil is neutral or acidic soil. A. French cactus fruit grows in the southern region, which belongs to the Mediterranean climate, that is, it is hot in summer and rainy in winter, which is most suitable for cactus growth, so the fruit is huge and rich in beet pigment. B cactus fruit is produced in the southeast coast of Mexico, and cactus fruit is also a favorite fruit of local people. Mexico has a savanna climate, with both rain and heat. Although the climate characteristics ensure the light and temperature needed for cactus growth, the rainfall is much larger than that in the Mediterranean region. The mineral elements and beet pigments in the fruit are slightly lower than those in the French cactus fruit. Therefore, when choosing cactus fruit, it is best to choose Mediterranean region, while French cactus fruit is.