1. Look at the color: a good notoginseng color should be yellow-brown or reddish-brown, with uniform color. If the color is uneven, too light or too dark, it may be inferior.

2. Look at the texture: a good notoginseng should be solid and elastic, and it is not easy to crush or crush. If it feels loose or soft, it may be inferior.

3. Smell: A good notoginseng should have a certain medicinal taste, but not too strong. If there is an odor or pungent smell, it may be inferior.

4. Feel: A good Sanqi feels delicate and smooth, and there will be no uncomfortable graininess. If it feels rough or has obvious graininess, it may be inferior.

5. Look at the size: a good size of Panax notoginseng should be relatively uniform. If the size is uneven, it may be inferior.

6. Look at the weight: the weight of a good notoginseng should be relatively consistent. If the weight difference is large, it may be inferior.

7. Observe whether there are impurities or insects: a good notoginseng should be free of impurities or insects, and if possible, it is inferior.

In short, when selecting high-quality traditional Chinese medicine Notoginseng, we should comprehensively consider the above aspects and choose Notoginseng whose color, texture, smell, feel, size, weight and impurities all meet the requirements. In addition, it is recommended to choose formal channels to avoid buying inferior Panax notoginseng.