The invention discloses a feed capable of preventing and curing diseases of young trionyx sinensis and a preparation method thereof. The feed comprises the following raw materials: pork powder, shrimp meal, purple common perilla seed cake, sorghum, wheat bran, vinegar dregs, molasses, grape pomace, peach gum, tomatoes, pineapples, satsuma mandarin, soy sauce powder, onion powder, acetate ester starch, Chinese white cabbages, water spinach, mung bean sprouts, leek flowers, radix isatidis, citrus reticulata blanco peels, coptis roots, drying rehmannia roots, Chinese yams and rhubarb. The feed can be used for solving the problems of shortage of nutrition, rough preparation, poor palatability, low growth speed of the young trionyx sinensis, poor physique, easiness in illness formation, low survival rate and the like of the conventional feed for the young trionyx sinensis, the feed is rich in nutrition, fine in taste and faint scent in mouthfeel, can promote the growth and weight increment of infant terrapin and reduce the growth time, is capable of preventing and curing diseases and reducing the infection possibility of bacteria and parasite to the young trionyx sinensis, and has the advantages that the young trionyx sinensis has strong immunity, cannot get ill, and is high in survival rate, the economical benefits of the cultivation of the young trionyx sinensis can be greatly increased, and the promotion value is extremely high.