Houan powder was originally a local delicacy in Houan Town. Because of its delicious and unique taste, it gradually spread in Wanning City and the whole province. Acid powder is characterized by halogen acid and mixed ingredients. Seafood is abundant in the local area, so people can add dried worms, fish cakes, small salted fish, shredded squid and other seafood to the ingredients of acid powder, and vinegar will also be added to the sauce soup used to mix the powder. Egg yolk pork jiaozi, rice cake, millet cake, coix seed cake, salty glutinous rice fried cake and other special cakes or snacks. Among them, it is located in a mobile booth. Using spicy soup to soak rice, in addition to sauerkraut, pig soup and chicken oil rice as the base material, there are fried golden eggs and fried sausages as companions, so that a spicy soup to soak rice is delicious and satisfying.

Dad's tea is a specialty of Hainan. Dad's tea is to put sugar and milk in the bottom of the cup, and stir it with a spoon if it needs sweetness, so that the sweetness will come out. If it doesn't need to be so sweet, you can add water while drinking, and slowly mix the sugar to make it less sweet.