Forty-nine square wines are produced in Maotai Town, Guizhou Province. It is the core producing area of Maotai-flavor wine and a very famous wine capital. Many famous brands of Maotai-flavor liquor are produced here. By chance, Zhang Chuanzong came to Maotai Town. He doesn't usually like drinking. He felt the rich aroma of wine for the first time. It's a pity that he didn't share such a good wine with everyone, so he founded forty-nine squares and chose the production area in the core production area of Maotai Town, 7.5 square kilometers.