Abstract: The present invention discloses a multifunctional carrying device comprising a female connecting member and a male connecting member which the female connecting member and the male connecting member are connected in a snap-in manner; either the male connecting member or the female connecting member being fixed on a bag. The multifunctional carrying device of this invention can be used on both horizontal direction and vertical direction, not just simply adding a bag, but it could change from one application to another application, so as to increase the utility. This invention could be dismantled and saves space, basically it will not increase the weight of the bag and convenient in using.