1. Look at the authentic color of Cordyceps sinensis, which is divided into two parts: "insect" and "grass". The surface of "insects" is dark yellow to yellowish brown, and the color of most insects will change to some extent at the junction of insects and grass. The "grass" part, that is, the sub-seat, presents the color of dead branches and is darker.

2. There are 8 pairs on the ventral surface of Cordyceps sinensis, and 4 pairs in the middle of the worm are very obvious. The stroma emerges from the worm's head, and the upper part is slightly enlarged. The length can reach 4-7 cm and the diameter can reach 0.3 cm.

3. Look at the genuine Cordyceps sinensis with obvious lines after opening it. There is a V-shaped black core in the middle of Cordyceps sinensis, and some may be black spots. This black core is actually the digestive line of insects.

4. Smell the authentic Cordyceps sinensis, which has the slight fishy smell of dry rot insects and the mixed aroma of straw mushrooms, which is the unique taste of Cordyceps sinensis. According to the above four points, we can basically have a basic understanding of distinguishing the authenticity of Cordyceps sinensis.

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