Disclosed is a cold plasma seed treatment device, having a vacuum apparatus, an electric discharging apparatus, and a transport apparatus. The electric discharging apparatus and the transport apparatus are disposed in the vacuum apparatus. The vacuum apparatus is provided with a tube feeding hole and a tube discharging hole. The cold plasma seed treatment device further has a feeding apparatus and a discharging apparatus. The feeding apparatus comprises a first feeding hopper and a second feeding hopper, each of which is provided with a feeding cover, a vent valve, a discharging hole, and a vacuuming butterfly valve. Each of the discharging hole of the feeding hopper and the tube feeding hole are separately connected to a three-way pipe by using a butterfly valve. Each vacuuming butterfly valve is connected to a first vacuuming pump group. The discharging apparatus comprises a first discharging hopper and a second discharging hopper.
