1, the skins of white pitaya and red pitaya with different colors look the same, both are red, but the pulp inside is completely different. Among them, the pulp inside the white pitaya is white after cutting, while the pulp inside the red pitaya is bright red after cutting, and the color is obviously different, which is the easiest to distinguish from the color. 2, the taste is different. The difference between white pitaya and red pitaya is also reflected in the taste, which tastes different. Among them, the sugar content of white pitaya is low, generally only about 10%, so it is not so sweet to eat. Red pitaya has a slightly higher sugar content, generally above 15%, so it tastes better and sweeter than white pitaya. 3, the price is different, the price of white pitaya and red pitaya is also different, there are differences. Generally, the cultivation and management of white pitaya is relatively simple, with strong adaptability and high yield, which is common in the market, so the price is relatively cheap. The management of red pitaya is difficult, and the yield is relatively low, but it tastes better and costs more.