According to the inquiry of official website, a Chinese medicine health tree can be scraped after it has been planted for 8 years to 10 years, and the yield of wet skin scraping of the tree after 8 years to 10 years is about 10 kg (with root skin).

Based on 300 plants per mu, the yield of wet skin per mu is about 3000 kg, and the yield of dry skin per mu is about 1 200 kg according to the dry ratio of 2.5.