The invention relates to a rotating valve which comprises a valve body, a cylinder, a charging hole, a discharging hole, an air inlet device, a coupler, a rotating cover, a rotating shaft as well as a first sealing device and a second sealing device that are arranged on the rotating shaft; a hollow cavity is arranged in the valve body, the charging hole and the discharging hole that perforate up and down are arranged on the valve body and respectively communicated with the hollow cavity to form a communicated channel, the rotating shaft as well as the first sealing device and the second sealing device that are arranged on the rotating shaft are arranged in the hollow cavity, wherein the rotating shaft positioned between the first sealing device and the second sealing device is arranged in the communicated channel, the first end of the rotating shaft is connected with the coupler and the cylinder, and the second end of the rotating shaft is connected with the rotating cover. The invention provides a glue-dispersing rotating valve which is rapid and accurate to disperse glue, clear to stripe glue and not easy to damage the sealing structure.