Multifunctional fan

The utility model discloses a multifunctional fan which comprises a support which is a hollow frame body. The shell assembly is fixedly arranged in the bracket; the circuit board and the motor are arranged at the rear end of the shell assembly; the fan blade group is arranged on a rotating shaft of the motor; the magnetic attraction assembly comprises a magnetic attraction male head and a magnetic attraction female head, the magnetic attraction male head is electrically connected with the power interface through a power line, the magnetic attraction female head is fixedly arranged on the circuit board and penetrates through the rear end of the shell assembly, and the magnetic attraction male head and the magnetic attraction female head are detachably and electrically connected through magnetic attraction; the sensing device is fixedly arranged above the bracket and is used for monitoring whether a person is in front of the sensing device or not in real time; the circuit board is electrically connected with th