Lankao is suitable for selling candied haws at the entrance of kindergarten or commercial street. According to relevant public information, sugar-coated haws generally refer to sugar-coated haws, also known as sugar duner in Tianjin, a traditional snack in China, which originated in the Southern Song Dynasty. It is made by skewering wild fruits with bamboo sticks and dipping them in malt syrup. It hardens rapidly in the wind and usually appears in northern China.