The invention discloses an automatic chopstick varnishing device comprising a base, a charging mechanism, a chopstick varnishing mechanism and a discharging mechanism, wherein tool conveying channels capable of containing chopstick conveying tools are formed on the base; the input end of the rear tool conveying channel is connected with the output end of a first tool conveying line which horizontally extends; the output end of the rear tool conveying channel is connected with the input end of a second tool conveying line which horizontally extends; the output end of the second tool conveying line is connected with the input end of the front tool conveying channel; the output end of the front tool conveying channel is connected with the input end of the first tool conveying line; and the front tool conveying channel is sequentially provided with the charging mechanism, the chopstick varnishing mechanism and the discharging mechanism along the conveying direction. By using the automatic chopstick varnishing device, the mechanical automation of chopstick varnishing can be realized, not only is the work efficiency increased, but also a paint layer with uniform thickness can be formed on the surface of each chopstick.