The utility model relates to a particularly the building tool field relates to a domestic cement mixer. The utility model discloses can only just mostly be the uneven problem of non professional finished product quality owing to constructor by manual stirring because the demand is few in aiming at solving prior art. The utility model discloses a stirring the pond and installing the rabbling mechanism in stirring pond top, the rabbling mechanism is including the puddler / oar that has the power supply, messenger the rabbling mechanism is equipped with the slewing mechanism who drives its rotation along the spout of stirring pond diametric(al) removal, stirring bottom of the pool portion. The utility model has the advantages of do not have the stirring dead angle, not restricted by the operating personnel level, the finished product steady quality, the house ornamentation cost is reduced, there is multiple usable work form in later stage.