Milk stirring device

The invention provides a milk stirring device which comprises a powder bin, a powder bin cover, a cup body and a stirring mechanism, the powder bin cover is detachably arranged at the top of the powder bin, the powder bin is detachably connected to the upper portion of the cup body in an embedded mode, a driving device and a stirring disc are arranged in the powder bin, and a driving shaft, a first speed changing unit and a second speed changing unit are arranged on the lower portion of the driving device. The first speed change unit is in transmission connection with the second speed change unit, the stirring mechanism is detachably connected with the end part of the driving shaft, and the stirring disc sleeves the lower part of the driving device and is rotationally connected with the driving device through the second speed change unit. The driving shaft, the first speed changing unit and the second speed changing unit are arranged in the powder bin, the stirring mechanism is driven by the driving shaft to