1. There are three main kinds of pitaya, namely red-skinned white pitaya, red-skinned red pitaya and yellow-skinned pitaya.

2. Pitaya is a precious variety in Pitaya, with high sugar content, good taste, yellow skin and white meat. It is a kind of pitaya with the best quality and sweetness. It is very fragrant, and the seeds in the pulp are big and soft, which does not hinder the entrance. The content of soluble solids is above 18%, but the fruit is slightly smaller, generally about 200 grams. The main fruit-producing period (autumn and winter fruit) is around the Spring Festival, while Xia Guo is listed in the Mid-Autumn Festival.

3. The fruit is rich in sugar, and the fruit grows slowly. The pulp is extremely delicate, with a sweetness above 18% and a slight fragrance. It is the best in the pitaya family.

4. Astragalus has the functions of preventing constipation, promoting eye health, increasing bone density, helping cell membrane formation, preventing anemia, resisting neuritis and angular stomatitis, lowering cholesterol, whitening skin and preventing dark spots, and also has the functions of relieving heavy metal poisoning, resisting free radicals, preventing senile lesions, losing weight and preventing colorectal cancer. The latest research results show that the juice of Huanglong fruit and branches has a positive effect on tumor growth, virus and immune response inhibition.