Abstract: Desktop decoration with movable advertisement signs, including a decoration main body, a reducing mechanism, a motor and a turning unit. The motor is coupled with the reducing mechanism for driving the turning unit. The turning unit includes multiple driven gears and driving gears which are interlaced with the driven gears and drivingly engaged with the driven gears. Each driving gear has an engaging member. A shaft bolt is passed through the engaging member and the driving gear to fixedly connect therewith. The engaging member is operatively leant on an intermittent wheel. An advertising column is fixed on upper side of each intermittent wheel and pivotally disposed in an outer frame, whereby when the respective advertising columns are turned, the picture is changed.