1, look at the appearance: whether the color of Cordyceps sinensis is golden, whether the dryness of Cordyceps sinensis is enough, whether Cordyceps sinensis is full, whether there is black grass or hay, the more nutritious Cordyceps sinensis is, the better.

2. Smell: Cordyceps Naqu has a strong ghee smell, and there is a strong bacterial smell in the mouth when chewing, while fake Cordyceps has a pungent medicinal smell, which may be soaked in chemicals, which is extremely harmful to the body.

3, look at the grass head: the grass head of Naqu Cordyceps sinensis has obvious gradient color, from deep to yellow and then to black, fake Cordyceps sinensis, the grass head is thick and black, and the daughter seat grows from the head, long and black, like a wooden stick. Bifurcation of Cordyceps sinensis is very common, and there are many bifurcations. High-quality cordyceps sinensis may have only one bifurcation in hundreds.

4, look at the insect ring pattern: Cordyceps Naqu has a group of three rings, fake Cordyceps, although similar to the ring pattern of Cordyceps Naqu, but the ring pattern is not obvious, the texture is not clear, Cordyceps Naqu has eight pairs of feet in the abdomen, especially the middle four pairs, and the fake Cordyceps is not obvious to the feet.