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