The shrimp sauce used by the folk Dong people is processed in the earthen jars. However, the salted and pickled fish, the salted and pickled pork chop, the salted and pickled beefsteak, the salted and pickled chicken and duck, etc. should mainly be in the tubes, both the wood bucket and the bamboo (Phyllostachys pubescens) tube will do. The best time for processing the preserved pickled fish would be in winter. The longer to pickle it, the more delicious it would be. Except for the pickled foods of fish and shrimps, they may often be eaten freshly.

The Oiled Tea is the favorite food-drink of the Dong people. The Oiled Tea, fragrant and sweet, would be effective for refreshing the mind and keeping a cool head; also for expelling the damp fever, prevention and cure of the flu and diarrhea. When the guests come, the hospitable Dong people would entertain them with the Oiled Tea.

The Miao people in various places are fond of eating pickled dish, the soured soup is prepared for in every household. The sour soup is the fermented water in which rice has been cooked or the bean curd has been cooked, kept in the earthen jar for 3 ¨C 5 days, then it may be used for cooking meat, fish, or vegetables

The method for the food preservation by the Miao people is generally the salted and pickled method. They like to process the pickled vegetables, chicken, duck, fish, meat, etc.. The Miao people almost have earthen jars for the pickled food in every household, which are called ¡°Shuantan¡± (earthen jars for pickled food).