The invention discloses an 
ultraviolet ray epidemic prevention sterilization and disinfection device, which comprises a disinfection box, wherein a sealing door capable of being opened and closed is arranged at the bottom of the front surface of the disinfection box, an air outlet hole is formed in the upper end of the disinfection box, a semicircular water box is vertically mounted on the side wall of the disinfection box, plural 
layers of disinfection assemblies are equidistantly mounted in the disinfection box in the vertical direction, the disinfection 
assembly comprises a transverse plate, a first baffle, a second baffle and an 
ultraviolet lamp, one side of the transverse plate is fixed on the inner wall of the disinfection box, a plurality of 
ultraviolet lamps are mounted in the transverse plate, the transverse plate, the first baffle and the second baffle are all made of transparent materials, one side of the transverse plate is mounted on the inner wall of the disinfection box,and the second baffle is mounted at the upper end of the other side of the disinfection box. According to the invention, the ultraviolet 
ray epidemic prevention sterilization and disinfection deviceis simple and practical, eliminates a plurality of complex steps in the middle, is high in disinfection and sterilization efficiency, has automatic cleaning function, performs sterilization and disinfection by using ultraviolet rays, does not affect the 
water quality, performs disinfection in a circulating mode, and is high in disinfection efficiency.