Introduction to Haoyoulai: Haoyoulai Hot and Sour Noodle Shop is located in front of Wangfujing Department Store and is one of the most popular snack bars in Jiefangbei. The hot and sour noodles here are smooth and smooth, and are supplemented with condiments such as chives, peanuts, chili, and meat sauce. There are no tables in the store, but it attracts a large number of customers to queue up to buy, which shows its charm.