Preparation method of cordyceps militaris rum

The invention discloses a preparation method of cordyceps militaris rum, and relates to the technical field of wine preparation processes. The invention aims to solve the problems of low cordycepin content and high preparation cost of the existing cordyceps militaris wine. The method comprises the following steps: inoculating liquid production seeds on a solid culture medium under a sterile condition, and culturing for 6-8 days in a dark place at the temperature of 20-23 DEG C; after culture is finished, carrying out illumination, temperature difference stimulation and ventilation for 21-24 days, carrying out illumination, temperature stimulation and ventilation, after culture is carried out for 8-12 days, carrying out water supplementing, illumination, temperature stimulation and ventilation, after culture is carried out for 10-15 days, obtaining cordyceps militaris sporocarps about to be subjected to a maturation stage, and after culture is carried out for 5-10 days, obtaining mature cordyceps militaris spo