Longxusu is a traditional food in China, but Korean Longxusu has successfully applied for the World Heritage. Korean dragon beard crisp is not exactly the same as the traditional dragon beard crisp in China. Korean dragon beard crisp is a dessert made of flour, sugar, oil and other ingredients. The raw materials and production technology are different from those of China Longxu Crisp. Although Korean dragon beard crisp is similar to China's to some extent, it can't be regarded as the same food. At present, China's Longxusu has not been successfully applied for the World Heritage.