Both books are right. Li Shizhen and modern Pharmacopoeia have different opinions on the origin of the five flavors in the north. At present, the flavor of the northern dance is red and purple, but it is dark red after a long time, with large particles and expensive price. At the most expensive time, per kilogram 160 yuan; Nanwu has a dark brown taste, small particles and low price, and the most expensive one is 90 yuan. The northern five flavors are mainly produced in the northeast, especially in Heilongjiang Province. Li Shizhen was born in Chu Jin, Hubei Province in the Ming Dynasty. The five northern flavors he said were produced by Hebei generation. Hebei was the north at that time, not the northeast now. In the Ming Dynasty 600 years ago, the northeast was under the jurisdiction of the post-Jin khanate, not the territory of Daming. Now the Northeast belongs to our country, and now the North Five Flavors are mainly produced in the Northeast. After vinegar processing, the southern five flavors can't become reddish purple or taupe.