What are the differences between Tangli Jianxue and Rock Sugar Snow Pear? The difference between Tangli Jianxue and Rock Sugar Snow Pear is definition. Because "Tangli Jianxue" is an original ancient style song sung by Yin Lin. Haiyuan compiled the lyrics and music score. The song lasts 0 hours, 04 minutes and 05 seconds. It is sung in Mandarin and belongs to popular and ancient style music; while Bingtang Snow Pear is a common dish. The sugar water dessert belongs to the Cantonese cuisine. It is made from pear and rock sugar and is slowly stewed together. It is sweet and delicious and has the effects of promoting body fluids and nourishing the stomach, clearing away heat and reducing phlegm and relieving coughs.