Beijing tourism must pay. Xiaohang pear soup is a hot drink in autumn and winter in old Beijing. At that time, this drink was popular in Beijing, which was famous for bean juice! The streets and alleys of Beijing, restaurants and restaurants have its presence! Because whether sitting or walking merchants are using copper lifting as an instrument for weighing pear soup, a hanging for a pot, half hanging for a half pot, this is the origin of the small hanging pear soup "hang" word.