An edible healthy 
gelatin crystal and the preparation method thereof belong to the field of Chinese healthy 
product processing technology. The edible healthy 
gelatin crystal is prepared from one, two, three, or four of preprocessed 
donkey skin, deer horn, velvet and 
turtle shell as main materials or from one, two or three of 
donkey-hide 
gelatin, deer-horn gelatin and 
turtle shell gelatin as main materials by soaking in water, 
cutting into small pieces, decocting with water, filtering, reducing water to 20 to 35% by concentration with 
slow fire to obtain gelatin paste for standby, adding 
adjuvant, cooling, shaping, and 
drying in the shade to obtain the product. Based on the prior 
pharmaceutical technology, the invention can prepare a directly-edible 
functional food mainly containing 
donkey-hide gelatin, deer-horn gelatin, velvet, 
turtle shell gelatin, etc. by decocting 
animal skin, bone, shell or horn with water to obtain gelatin or 
drying the gelatin, and adding 
plasticizer and other additional components. The 
functional food can be made into 'soft 
capsule' that can be applied directly, and has simple and practical preparation process and convenient usage. The soft 
capsule preparation has the advantages of convenient usage, good portability and wide application range, and can be taken orally, swallowed directly or applied externally.