The invention discloses a preparation method for cordyceps sinensis male moth wine. The method comprises the following steps of (1) preparation of cordyceps sinensis culture medium fermentation base liquor: taking fresh cordyceps sinensis rice culture medium, adding activated wine-making yeast for potting fermentation to obtain cordyceps sinensis culture medium sake, and then blending with high concentration soaked rice wine to prepare the cordyceps sinensis culture medium fermentation base liquor; (2) soaking and removing fishy smell: soaking dried male silk moth in the cordyceps sinensis culture medium fermentation base liquor for 30-60 days, filtering, adding a fishy smell-removing agent to remove part of the fishy smell to obtain a cordyceps sinensis male moth base liquor; and (3) alcoholizing and blending: blending longan soaked wine in the cordyceps sinensis male moth wine cordyceps sinensis male moth base liquor, adjusting alcoholic content to be 35-38 degrees, ageing for 1-3 months to obtain the cordyceps sinensis male moth wine. The cordyceps sinensis rice culture medium-a by-product of cordyceps militaris process is used as an important raw material; and further the cordyceps sinensis base liquor is produced by fermentation. The method takes full advantages of the cordyceps militaris rice culture medium, changes waste into wealth, greatly increases utilization rate of the cordyceps militaris rice culture medium and has very good economic benefits and social benefits.