When choosing Panax notoginseng, it is better to have more heads.

the head number of panax notoginseng refers to the number of panax notoginseng per catty.

15 heads of Panax notoginseng means about 15 per catty of Panax notoginseng, 2 heads of Panax notoginseng means about 2 per catty of Panax notoginseng, and so on.

The smaller the number of panax notoginseng, the bigger the size and the better the quality. The more heads, the worse the quality.