The invention provides a paraffin based experimental device for regulating and controlling solar energy absorption of a window and relates to the field of glass windows of buildings. The paraffin based experimental device comprises a window body, paraffin storage chambers, paraffin materials, electric heating sheets and a power supply, wherein the window body is a metallic-frame double-glazed window, hollow glass is arranged inside the window body, the paraffin storage chambers are arranged above the hollow glass, the paraffin materials are separately arranged inside the paraffin storage chambers and the hollow glass, the electric heating sheets are arranged on the external sidewall surfaces of the paraffin storage chambers and the external sidewall surfaces of the hollow glass, the electric heating sheets are connected with a control switch through conducting wires, the control switch is connected with the power supply through conducting wires, outlets of the lower ends of the paraffin storage chambers are connected with one end of an inlet pipeline section, the other end of the inlet pipeline section is connected with the top of the hollow glass, a valve is arranged on the inlet pipeline section, and inlets of the upper ends of the paraffin storage chambers are connected with one end of an outlet pipeline section. According to the paraffin based experimental device, the paraffin materials in the glass window can be replaced at any time according to changes of outdoor climatic conditions, so as to meet the requirements on indoor thermal comfort and energy saving to the maximum, and the process is convenient, simple and easy to operate.