In the past two years, simple elevator accidents occurred frequently in and outside the province, resulting in more casualties and property losses. In order to curb the rising trend of safety accidents of such special equipment and comprehensively eliminate the hidden dangers of use, the Bureau concentrated its efforts to carry out preventive special treatment to eliminate the hidden dangers of weak links and further eliminate the blind spots, blind spots and undiscovered safety hazards in the safety supervision of simple elevators. After preliminary investigation, safety supervision instructions were issued for some unqualified simple lifts to stop using, and some simple lifts have entered the stage of technical transformation.