The invention belongs to the field of traditional Chinese medicinal fermentation medicines, and in particular discloses a compound Chinese herbal microecological preparation with the efficacies of supporting right and resolving toxins for beasts and birds and a preparation method of the compound Chinese herbal microecological preparation. The preparation method of the compound Chinese herbal microecological preparation comprises the following steps: taking 40-60 parts of radix isatidis, 40-60 parts of radix astragali, 20-30 parts of herba epimedii, 15-20 parts of radix pseudostellariae, and 10-15 parts of folium isatidis; grinding the raw materials, and screening the obtained powder by adopting a sieve, thus obtaining compound Chinese herbal powder; stirring for mixing the compound Chinese herbal powder and fermentation liquor of four probiotics including lactobacillus plantarum, saccharomycetes, lactobacillus casei LCZ-1 and bacillus subtilis, and carrying out fermentation, thus obtaining the compound Chinese herbal microecological preparation. The prepared microecological preparation has the efficacies of supporting healthy qi, consolidating the foundation, and clearing away heat and toxic materials, can enhance the body immunity of bred animals and improve the disease resistance of the bred animals, and has small side effects, the use of antibiotics can be reduced, the drug residue and drug abuse can be avoided, the requirements of no pollution and safety are satisfied, and the prevention and control for the bred animal groups are facilitated.