In history, there were a large number of farmers in Weifang who used the time of slack farming to make sesame seeds, which is today's hard-faced fire. They use wooden bars to press the surface, the surface is dead, the surface is very hard, the fire is round, the middle is thick and thin, one side is convex, one side is concave, after molding, fine fire, roast, burn, etc. Cooked, because it was made by the countryman, the city called it "township fire." The people in the city also burned and smashed the surface. This is a kind of fire with a round shape like a hoe and five wings around it. It is made of a mixture of dead face and noodles. The name is called the head of the fire. Later, the two merged, collectively referred to as the head of the fire.