1, pitaya not only tastes sweet, but also has high nutritional value, which integrates fruit, bud, vegetable and medicine. It is not only rich in nutrition, unique in function, but also less in pests and diseases, and can grow normally without using any pesticides. Therefore, pitaya is a kind of green and environment-friendly fruit, and it is also a kind of health-care and nutritious food with certain curative effect.

2. When people eat photosensitive vegetables and fruits, they will decompose a photosensitive substance in their bodies. When photosensitive substances accumulate to a certain extent in people who are allergic to this substance, exposed body parts will cause "plant solar dermatitis" after direct sunlight.

3, dietary taboos: pitaya should not be eaten with milk. People with cold constitution symptoms such as diabetes, female constitution deficiency and cold, pale face, limb weakness and frequent diarrhea should not eat more; And women should not eat pitaya during menstruation.

4. Taboo: The redder the surface, the better, and the greener and fresher the green part. If the green part turns yellow, it means it is not fresh.