The invention discloses a Chinese 
medicinal herb additive for egg chickens and application. The Chinese 
medicinal herb additive comprises 
membranous milkvetch root, 
eucommia bark, 
honeysuckle, jiuyue, Weeping Forsythiae 
Capsule, szechwon tangshen root, 
sanguisorba, hawthorn, Indian Buead, 
officinal magnolia bark, Chinese pulsatilla root, giant knotweed 
rhizome, ricepaperplant 
pith, largehead atractylodes 
rhizome, 
tangerine peel, malt, indigowoad root, swordlike atractylodes 
rhizome, indigowoad leaf, three immortals, liquorice, 
cyrtomium fortune, nutgrass galingale rhizome, chatoyancy, 
calamus and 
pinellia tuber, and mixture of the compositions is added with 
calcium bicarbonate, 
phytase, 
vitamin E and 
methionine. The Chinese 
medicinal herb additive effectively promotes absorption of 
nutrient, can prevent and 
control diseases, strengthen quality of eggshells, reduce the broken egg rate and soft-shell eggs, abnormal eggs and sand shell eggs, can effectively prevent 
bird flu, prevent and 
control diseases such as laxness, 
feather pecking, 
hair shedding, 
anus pecking, 
salpingitis, 
respiratory disease and the like, can achieve good effect with a dosage of about 4 percent, cannot damage physiological functions of the egg chickens, and can prolong 
egg laying peak season, improve color of the eggshells and the laying rate by 8 to 20 percent, and 
increase weight of eggs.