Fecha de publicación: 02/02/2018 Fuente: WIPO "bee" The invention relates to the technical field of bee keeping, in particular to an acarid-killing spraying device used for bee keeping. The acarid-killing spraying device comprises a pot body, a pot handle is arranged on the outer wall of the pot body, a pot cover is connected with the top of the pot body, a connection ring is arranged in the center of the top of the pot cover, and a press cover isconnected with the top of the connection ring. A flow adjusting cover is connected with the inside of the press cover in a sleeved mode, a first spraying pipe is connected with the side wall of the press cover, a first limiting ring is arranged on the inner wall at the end, away from the press cover, of the first spraying pipe, a second spraying pipe is connected with the inside of the first spraying pipe in a sleeved mode, a second limiting ring is connected with the end, close to the press cover, of the second spraying pipe, and a fastening device is arranged on the side, away from a hinge,of the pot cover. The acarid-killing spraying device is simple in structure and convenient to use, when acarid killing needs to be conducted on a beehive, it is only required that the second sprayingpipe is adjusted, and then the second spraying pipe can stretch into the beehive for spraying, and insecticide is changed without the need of removing the pot cover. Besides, the spraying flow rate can be adjusted according to different needs, insecticide waste is avoided, and the acarid-killing spraying device has a high practical value and is convenient to popularize.