The invention discloses a method for deoxidization by combining compound drugs and UV, which relates to a deoxidization method. The method solves problems of expensive equipment, complex operation and slow deoxidization speed in the conventional physical deoxidization technology, and also solves the problems of expensive catalysts, large dose, contained heavy metals and slow deoxidization speed in the chemical deoxidization technology. The method comprises the following step: adding deoxidization compound drugs into a reaction system, and irradiating with ultraviolet to finish the deoxidization. The method can efficiently and stably remove dissolved oxygen in air and water without expensive equipment and components, and has advantages of simple operation, safety, fast deoxidization speed, no need of expensive catalysts, no contained heavy metals, less dose, cost conservation, less effect on water quality and no special requirements on air impurities in the reaction system, and water quality indexes such as pH value in water, temperature, salinity, organics and the like. Therefore, the method can be widely applied to deoxidization in air and water.