The present invention discloses a pivot mechanism with auxiliary force and multifunctional business machine with the pivot mechanism. The business machine includes a printer body, a scanner body and a pivot mechansm. The pivot mechanism includes a first fixing part, a first moving part pivoted to the first pivot point and with a track and an elastic target; a second moving part with an end moving along the track to push against the elastic target, the other end fixed on the scanner body and one pivot part to the second pivot point of the first fixing part. The resilience of the elastic target can assist the scanner body to open and resilience of the elastic target while closing is acted on the straight line formed by the two pivot points. |