1. Powder: Chaga cannot be eaten directly. It can be ground into powder and then soaked in water for consumption.

2. Decoction in water: Chaga can also be decoctioned in water. Chop the medicinal materials first, then soak them in water. Bring to a boil over high heat, then turn to low heat and simmer for about 20-30 minutes. , repeat 3 times and then take it.