The utility model discloses a mobile phone fragrance diffuser which comprises a shell, a plug, a fan and a control component, wherein a fragrance cavity for accommodating perfume is arranged in the shell an air outlet and an air inlet are arranged on the shell a ventilating channel communicated with the fragrance cavity is arranged between the air outlet and the air inlet the plug is used for plugging on a mobile phone socket and is arranged on the shell the fan is used for accelerating the air flow and is arranged in the ventilating channel and the control component is used for controlling the work state of the fan, is arranged in the shell, is electrically connected with a mobile phone through the plug and is used for supplying the electric energy of the mobile phone to the fan. The plug is plugged into the mobile phone socket, such as a mobile phone data interface or a charging port, and the electric energy of the mobile phone is utilized to supply power to the fan, so that the use operation is convenient. The fan is used for accelerating the air flow in the ventilating channel in the shell, so that the fragrance of the perfume is diffused into air and the volatilizing effect is excellent.
