The invention discloses a multifunctional shared power bank. The power bank comprises a power bank body and a support, wherein the power bank body is provided with a through hole, one end of the support penetrates through the through hole to form an included angle with the power bank body, the power bank body comprises a shell, a battery cell arranged in the shell and a circuit module, an open groove is formed in a side surface of the shell, a first through hole is formed in the bottom of the open groove, a clamping groove is arranged on a side wall of the open groove, and a limiting bucklingdevice is mounted in the clamping groove. The power bank is advantaged in that functions of wireless charging transmitting and wireless charging receiving can be realized, a mobile phone can be placedin the open groove and is in direct insertion type matching connection with a USB interface, so functions of charging the mobile phone and reading stored data are realized, moreover, the width of theopen groove can be elastically adjusted through a limiting buckle, and thereby the power bank is suitable for mobile phones with different sizes.