A wire adapter assembly, comprising: a plug, comprising a first housing and a first male connector installed on a first end of the first housing, a second end of the first housing being equipped with a wire in electrical connection with the first male connector; an adapter, comprising a second housing and a first female connector installed at a first end of the second housing, the first female connector being adaptive to the first male connector, a second end of the second housing being equipped with a second male connector in electrical connection with the first female connector, and the first male connector being different from the second male connector; and a flexible connector, the flexible connector being of a flat strip or arc hinge structure, and connected with the first end of the first housing and the first end of the second housing respectively.