1, choice of staple food and beans: purple rice, black rice, black beans, bean curd skin, dried bean curd and other bean products.

2. Choice of meat, eggs and milk: pork, beef, mutton, animal liver, kidney, blood, fish, shrimp, squid, octopus, eggs and dairy products.

3. Selection of vegetables: auricularia auricula, day lily, spinach, carrot, celery, rape, tomato, lotus root, Nostoc flagelliforme, etc.

4. Choice of fruits: jujube, mulberry, longan, raisin, litchi, cherry, peach, orange, etc.

5. Others: black sesame, pine nuts, brown sugar, etc.