The invention relates to a Chinese medicinal additive for 
livestock and poultry feeds and a preparation method thereof. The additive comprises the following compositions in portion by weight: 0.8 to 1portion of angelica, 1 to 2 portions of Chinese angelica, 3 to 5 portions of 
gypsum, 1 to 2 portions of indigowoad root, 0.5 to 1.5 portions of skullcap, 1 to 2 portions of 
hawthorn fruit, 1 to 2 portions of malt, 1 to 2 portions of stored 
yeast, 1 to 2 portions of danshen root, 1 to 3 portions of pilose asiabell root, 1 to 3 portions of 
astragalus mongholicus, 0.5 to 1.5 portions of 
flos caryophyllata, 1 to 3 portions of anise, 0.5 to 1.5 portions of cumin, 1 to 3 portions of 
cassia, 1 to 2 portions of 
amomum globosum loureiro, 1 to 3 portions of fennel, 1 to 2 portions of 
drill seeds, 1 to2 portions of villous 
amomum fruit, 1 to 3 portions of 
tangerine peel, 2 to 5 portions of dried ginger, 5 to 10 portions of 
cypress seeds, 2 to 5 portions of 
mugwort leaves, 2 to 5 portions of ginkgoleaves, 1 to 3 portions of netmeg, 1 to 2 portions of white cardamom, 5 to 10 portions of 
maggot, 5 to 10 portions of yellow 
mealworm, 5 to 10 portions of 
earthworm, 3 to 8 portions of pricklyash peel, 40 to 60 portions of corn, and 20 to 40 portions of lucerne. The preparation method comprises the following steps: firstly, carrying out frying pre-treatment on the 
hawthorn fruit, the malt and thestored 
yeast; and then, mixing the three compositions with other compositions evenly. The additive can improve the capability of 
disease prevention and 
disease resistance of 
livestock and poultry, improves the meat quality of the 
livestock and the poultry, and has low cost.