In the yellow race country, because of the degradation of lactase in the body, it is easy to have allergic reactions when drinking milk, resulting in diarrhea and abnormal flatulence. However, milk is the main source of high-priced protein and good calcium. However, Saussurea involucrata produced spiritual mushroom yogurt after high-density fermentation and enzymatic hydrolysis in milk, which changed some nutrients of Saussurea involucrata which were not easily digested and absorbed by human body into more easily digested and absorbed by human body.

1, soak two tablespoons and a half of yacon in fresh milk for 24 hours.

2. Pour the yacon soaked with milk into the filter screen, and the milk is filtered into the container through the filter screen, then rinse the yacon in the filter screen with cold boiled water, then add half a catty of fresh milk to soak it, and cover it with a layer of gauze to prevent dust.

3, Yacon milk is best to drink before going to bed. During this period, any milk products are not drinkable. During the period of stopping drinking Yacon milk, Yacon filtered, washed and replaced fresh milk as usual.

4. Yacon should be placed in a ventilated room. Not sealable. Do not put it in the refrigerator.

5. Yacon provides sour milk (honey can be added for those who are really uncomfortable, but no sugar can be added).

6. Yacon should not touch iron and metal (except acid-resistant metals such as stainless steel), and it is best to use porcelain or glassware.

After 7 or 28 days, the yacon will increase to double its volume and can be sold to people in need.