The invention belongs to the field of animal cultivation, and particularly relates to a scientific formula culturing method for killifishes. The culturing method for the killifishes is high in hatchability and the surviving rate. An antiviral Chinese herbal medicine additive comprises kinds of Chinese herbal medicines with certain detoxification and anti-microbial functions, the multiple medicines are used in a compatibility mode, and effects of the medicines are promoted mutually to achieve a good antiviral effect.