Automatic mosquito-dispelling door curtain

The utility model provides an automatic mosquito-dispelling door curtain which comprises a cross bar, a hanging curtain, a micromotor and a spring. An output shaft of the micromotor is connected with a cam, a convex part of the cam contacts with one end of the cross bar, the other end of the cross bar is connected with an inner end of the spring, an outer end of the spring is fixed, and the hanging curtain is perpendicularly fixed on the lower side of the cross bar. The automatic mosquito-repelling door curtain is simple in structure and convenient to manufacture and use, effectively prevents winged insects such as mosquitoes and flies from flying in houses by the aid of constant back-and-forth swinging of the strip-shaped hanging curtain, and is suitable for houses and public places.