Abstract:A study on the processing technology of Aconitum kusnezooffii by orthogonal test was carried out by assaying ascriteria the changes in contents of the total alkaloids and ester type alkaloids before and after processing.The optimumxperimental conditions were obtained after treating the experimental data with a formnula fOr the multiple criteria andhe optimal processing results were achieved by having the materal macerated with water,cut into thick pieces andhen steamed under high pressure(127℃,0.15MPa)for 3 hours.