A blender set, comprising: a hand blender; at least two different stirring tools; and a body capable of detachably connecting with one of the at least two different stirring tools at one time, the body comprising: a motor with an output shaft; a high speed output connector fixedly connected to the output shaft and configured to be driven by the output shaft;; a deceleration component coaxially arranged on the output shaft via a one way bearing and configured for outputting a lower speed than the output shaft to a low speed output connector; the deceleration component comprises at least a planetary gear set having a plurality of planet wheels, and an upper planet carrier and a lower planet carrier cooperated to receive the planetary gear set; said one of the at least two different stirring tools engages correspondingly to the high speed output connector or to the low speed output connector at one time; characterized in that: the low speed output connector has a central hole which permits the high speed output connector and the output shaft to pass through; the lower planet carrier is fixedly connected to the low speed output connector; the lower planet carrier and the low speed output connector are integrated together; the lower planet carrier is configured at an upper end of the low speed output connector. a hand blender; at least two different stirring tools; and a body capable of detachably connecting with one of the at least two different stirring tools at one time, the body comprising: a motor with an output shaft; a high speed output connector fixedly connected to the output shaft and configured to be driven by the output shaft;; a deceleration component coaxially arranged on the output shaft via a one way bearing and configured for outputting a lower speed than the output shaft to a low speed output connector; the deceleration component comprises at least a planetary gear set having a plurality of planet wheels, and an upper planet carrier and a lower planet carrier cooperated to receive the planetary gear set; said one of the at least two different stirring tools engages correspondingly to the high speed output connector or to the low speed output connector at one time; characterized in that: the low speed output connector has a central hole which permits the high speed output connector and the output shaft to pass through; the lower planet carrier is fixedly connected to the low speed output connector; the lower planet carrier and the low speed output connector are integrated together; the lower planet carrier is configured at an upper end of the low speed output connector. a motor with an output shaft; a high speed output connector fixedly connected to the output shaft and configured to be driven by the output shaft;; a deceleration component coaxially arranged on the output shaft via a one way bearing and configured for outputting a lower speed than the output shaft to a low speed output connector; the deceleration component comprises at least a planetary gear set having a plurality of planet wheels, and an upper planet carrier and a lower planet carrier cooperated to receive the planetary gear set; said one of the at least two different stirring tools engages correspondingly to the high speed output connector or to the low speed output connector at one time; characterized in that: the low speed output connector has a central hole which permits the high speed output connector and the output shaft to pass through; the lower planet carrier is fixedly connected to the low speed output connector; the lower planet carrier and the low speed output connector are integrated together; the lower planet carrier is configured at an upper end of the low speed output connector.