Hui Lau Shan specializes in Hong Kong-style "sweet soup." It is supposed to be healthful, being made with expensive ingredients used in Chinese medicine like sparrow's nest and harsmar. Different flavors are created by mixing in different kinds of sago and fruit.
許留山特別標榜的是港式甜湯，重養生，以高貴中藥材燕窩、雪蛤、紅蓮等熬煮，並混入各類西米露、水果之中，製造變化。