Although pitaya is a tropical fruit, it is a cool fruit and a fruit that reduces fire. It has the functions of preventing constipation, promoting eye health care, increasing bone density, helping cell membrane formation, preventing anemia and neuritis, angular stomatitis, lowering cholesterol, whitening skin, preventing dark spots, relieving heavy metal poisoning, resisting free radicals, preventing senile diseases, losing weight and preventing colorectal cancer.

Pitaya can be divided into three categories: white pitaya with purple skin and white flesh, with tiny black seeds distributed inside, and fresh food is of average quality; Red pitaya skin is red and meat is red, and the quality of fresh food is better; Yellow-skinned pitaya has yellow skin and white meat, and fresh food has the best quality. Among them, red meat is the best. Basically, red meat is round and white meat is oval.