Hard candy is a candy made from high temperature. Dry solid content is high, about 97%. The sugar body is hard and brittle, so it is called hard candy. It belongs to amorphous amorphous structure. The proportion between 1.4 and 1.5 is between 10 and 18%. The entrance is slow and chewy, and the sugar body is transparent, translucent and opaque, and it is also made of merceriform.