Freeze-dried decoction pieces of deer fetus and preparation method thereof

The invention discloses a freeze-dried decoction piece of deer fetus and a preparation method thereof, and relates to the technical field of traditional Chinese medicine, and the preparation method comprises the following steps: cleaning fresh deer fetus and placenta, removing impurities, and dicing; a mixed solution composed of ferric sulfate and copper chloride is added for soaking for 5-10 min; adding the deer fetus into a sodium bicarbonate solution, and soaking for 5-10 minutes; taking out the deer fetus, adding the deer fetus into a NaOH solution, and soaking The deer fetuses are taken out and washed with water, the deer fetuses are soaked in a soaking solution for 5-10 min, and the soaking solution is prepared from tea leaves, ginkgo leaves, onions, garlic, honeysuckle flowers, phytic acid, water-soluble chitosan and water; and freeze-drying the fetus cervi until the water content is 1-5% to obtain the freeze-dried decoction pieces of the fetus cervi. The method has the beneficial effects that fishy sm