1. First, select orange peels with golden skin, ripe and full skin, no loss and no squeeze;

2. Then wash them with clean water;

3. Then place the orange peel in the sun to dry;

4. After it is completely dry, put it in a pot, steam it with cold water for 15 minutes, and then simmer for 5 minutes;

5. Then continue to dry it under the sun, steam it 3 times and dry it 3 times according to this method;

6. Finally, put the tangerine peel into a sealed storage tank , and place it in a ventilated and cool place.

7. Chenpi, the name of Chinese medicine. It is the dried and mature peel of Citrus reticulata Blanco and its cultivated varieties. Medicinal materials are divided into "tangerine peel" and "guangchenpi". Pick ripe fruits, peel off the peel, and dry in the sun or at low temperature.