Drinking water treatment system

The invention relates to a drinking water treatment system which comprises a primary purification module, a secondary purification module, a photovoltaic power generation assembly and a control unit, an electrical group assembly and a first water storage tank are arranged in the primary purification module, a second water storage tank is arranged in the secondary purification module, and an ultrafiltration assembly is arranged in the second water storage tank. Water is secondarily filtered through the first-stage purification module and the second-stage purification module, an electroflotation assembly and an ultrafiltration assembly are integrated, efficient purification of drinking water can be achieved, a photovoltaic power generation assembly is connected with a control unit, and the control unit adjusts the inclination angle of a photovoltaic panel relative to the top face of a first water storage tank according to the sun illumination angle in real time; according to the drinking water treatment system,