The diverter sealing element is used to the oil and gas well surface drilling well control, supporting the use of hydraulic control system, four-way and valve. It allows the controlled low pressure well fluid (liquid, gas) to transmit to safety location under the route provided, to ensure safety of both well drilling operators and equipments. The diverter sealing element can seal a variety of shapes and sizes of drilling rig such as kelly bar, drill pipe, drill pipe joint, drill collar and drivepipe, meanwhile, shunting fluid in the well.