2. Cordyceps sinensis flowers can't be eaten raw, and the cold salad needs to be boiled and blanched. The cooking time of fresh cordyceps flowers is short, only about 5 minutes.

3. Dried cordyceps flowers are mostly used for soup, which can be boiled for about 20-30 minutes. However, it is usually boiled with cold water and soup for about 2 hours, which is beneficial to the separation of medicinal effects of cordyceps sinensis and helps the human body to better absorb its nutrients.