The invention relates to a method for preparing an 
immunity regulatory agent for cattle, poultry and aquatic 
livestock, which belongs to the 
biological agent field. The method for preparing aloe vaccine pulvis and oral liquid is characterized in that the aloe and the sheep 
gall are taken as raw materials and are mixed according to the 
mass ratio of 10 to 15: 1 to 2; the aloe vaccine pulvis and the oral liquid can clear away heat and 
toxic material, cooperate with counteracting toxic substance, reduce fire, clear up endotoxin, antisepsis and anti-
inflammation, 
remove blood stasis and detumescence, expel bile, be beneficial to 
larynx, inhibit and killing 
virus, control the state of an illness, avoid accompanying infection, and improve the 
immunity of the 
organism on cattle, poultry and aquatic 
livestock; moreover, the water and 
drug administration is convenient, the 
absorption rate is high, the range of distribution is wide, no 
medicine is left, no 
side effect exists, and the safe range is wide. The preparation method has simple process and convenient operation, can obtain a product with 
high concentration and high productive rate and does not pollute the environment.