Abstract: Aimed at the present problems of oil product vapour loss in storage farm, the paper gires out this simple and practical technology method for recovery of oil product vapour by utilizing solar energy in storage farm. It introduces the principle of this method, working process, main devices and calculating method of those concerned technological parameters in detail, and points out that this method have such adrantages as simple device, safe operation, low energy congnmption and no requirement of special perion for operation, etc.