The old kai's sauerkraut is mainly designed to run the traditional hmong food “sour soup” and to display the culture of hmong, and the old kae's sauerkraut is based on the guizhou sauerkraut, together with modern nutrients, food safety science formulations, with the best-quality fermented acid soup in which the best selection of wild tomatoes, peppers, gingers, peppers, etc. Is repeated, with the elaborate development of a sour spicy mouth。

The build-up and prosperity of the tourism economy in guizhou have contributed to the development and progress of the old kaisu soup, which “must be eaten in guizhou, if it is not eaten, it must go to old kai” as a journey for all tourists travelling to guizhou. At the same time, after many years of operation, the old kai's soup is widely favoured by consumers in guizhou and throughout the country。