Gastrodia elata needs to be soaked for about 20-30 minutes, and then it can be used for cooking.

The processing method of gastrodia elata comprises the following steps:

1. Put the dried gastrodia elata into water and soak it for 20-30 minutes according to different water temperatures.

2. After the hair is soaked, take out Gastrodia elata and clean it, and then slice it.

3. You can finally start cooking.

The above is the processing method of gastrodia elata, I hope it will help you.