1, clean with water, and wrap the bag with a knife for later use; In order to ensure its effect, copper knife and casserole are used instead of iron contact.

2. Clean with cleaning balls, old toothbrushes, etc. Then use a knife to remove the dirt in the dark spots or grooves. It can be eaten directly after cleaning.

3. Polygonum multiflorum Thunb, which has the function of nourishing essence and blood (for personal use); Detoxification, malaria interception and laxative (raw use) effects. Indications: deficiency of essence and blood, dizziness, premature gray hair, soreness of waist and knees, chronic malaria, carbuncle, scrofula, intestinal dryness and constipation.