Houan powder was originally a local delicacy in Houan Town. Because of its delicious and unique taste, it gradually spread in Wanning city and even the whole province. Acid powder is characterized by halogen acid and mixed ingredients. Seafood is abundant in the local area. People can add dried worms, fish cakes, small salted fish, shredded squid and other seafood to the ingredients of acid powder, and vinegar is also added to the sauce soup used to mix the powder. Egg yolk pork dumplings, rice cakes, millet cakes, barley cakes, fried cakes with salty glutinous rice and other special cakes or snacks. Among them, it is located in a mobile booth. With spicy soup rice, in addition to sauerkraut, pig soup and chicken oil rice as the base, there are fried golden eggs and fried sausages as companions, so a spicy soup 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. If it needs sweetness, stir it with a spoon and the sweetness will come out. If it doesn't need to be so sweet, you can add water while drinking, and the sugar will not be so sweet when it is slowly mixed.