Fresh Cordyceps sinensis just dug out, black with soil. Before sealing and drying, it will be cleaned with a toothbrush. In this process, it is absolutely not allowed to get wet, so as not to rot and deteriorate. The preservation principle of fresh Cordyceps sinensis is low temperature drying. If you buy a small amount of fresh Cordyceps sinensis, you'd better eat it as soon as possible. If there is a certain amount, it can be saved by the following methods:

1. Fresh Cordyceps sinensis taken out of vacuum packaging should be put into fresh-keeping bags; 、

2. Then put on two layers of plastic wrap and seal it and store it in the freezer of the refrigerator. The temperature should be controlled below zero.

3. Take it out and thaw it every time you eat it. Once thawed, you should eat it immediately. Because fresh Cordyceps sinensis will continue to breathe and grow after thawing, consuming nutrients;

4. The refrigerator can be kept for up to half a year.