According to Baidu Encyclopedia, hemp powder is the place name of Guizhou Province, so it is named after its specialty. No one lives now.

Hemp powder also refers to flour made from flax seeds or hemp seeds. Flaxseed and hemp seed are different plants, so don't confuse them. Hemp powder has many uses, which can be used to make foods such as twisted sugar, hemp balls and hemp sausages, and can also be used as condiments.