Aiming at the problems of insufficient teaching equipment, limited training scenes and high cost of equipment malfunction recurrence in the training course of automatic weather station, a virtual training platform of automatic weather station based on virtual reality technology and Unity3D is designed. In addition that, the functions, architecture and key technologies involved in this platform procedure are also introduced. The application results show that the platform achieves the training, assessment and other functions of the automatic weather station, and has a very high promoting effect on improving the training effect of the weather station.