A high temperature and high pressure resistance electromagnetism driving stop valve inner screen outer dissipation heat insulation device comprises a guiding body, a valve bush, a coil outer housing, a nonmagnetic tube, a coil component, a valve rod, a moving magnet and a heat insulation sleeve, wherein a guiding body groove is formed in the lower end face of the valve bush, a nonmagnetic tube inserting hole with an inner thread is formed in the outer end of the valve bush, a heat insulation sleeve through hole is formed in the center of the valve bush, the heat insulation sleeve is installed in the heat insulation sleeve through hole, the heat insulation sleeve is provided with a first valve rod through hole, the guiding body is provided with a second valve rod through hole, the guiding body is installed in the guiding body groove, the valve rod is installed in the first valve rod through hole and the second valve rod through hole, the coil outer housing is installed at the upper end of the valve bush, the coil outer housing is connected with the valve bush through threads, the nonmagnetic tube is installed in an inner cavity of the coil outer housing, the lower end of the nonmagnetic tube is connected with the nonmagnetic tube inserting hole at the upper end of the valve bush through threads, and the moving magnet is installed in the nonmagnetic tube. The high temperature and high pressure resistance electromagnetism driving stop valve inner screen outer dissipation heat insulation device is large in heat dissipation area, good in heat dissipation effect, and strong in heat insulation function, and thereby can improve safety and reliability of a whole electromagnetism driving stop valve.