1. Preface (slicing) Chinese herbal medicines are easily exposed to air and react with microorganisms and impurities in the air to decay and deteriorate. Extending (slicing) the fresh-keeping period of Chinese herbal medicine has become an urgent problem to be solved. 2, the choice of materials, cleaning the selection of fresh, non-perishable Chinese herbal medicines, clean with deionized water or sterilizing water, drain the surface water reserve. 3, slice (slicing) Chinese herbal medicines can be cut into thin slices, medium slices, thick slices, segments, blocks or silk according to the texture and role of the medicinal herbs. 4. Packing The sliced ​​Chinese herbal medicines are placed in a heat-resistant plastic packaging bag together with pre-prepared fresh-keeping liquid and vacuum sealed. 5. Sterilization Packaged (sliced) Chinese herbal medicines, together with plastic bags, are boiled or steamed in water at 100°C for 12-17 minutes, and then rapidly placed in cold water to below 40°C. The fresh-keeping (slicing) Chinese herbal medicines preserved by this method can reach a shelf life of over 4 months, and the preservation cost is low, which is very suitable for the use of small and medium-sized herbal medicine processing plants and herbal medicine suppliers.