Medical multifunctional pen

The utility model discloses a medical multifunctional pen which comprises a pen holder, a pen refill, a pen clip, a functional block and a connecting piece. The penholder comprises an upper penholderand a lower penholder; the upper penholder is of a square tubular structure, one end of the upper penholder is an open end, the other end of the upper penholder is a sealed end, and the open end is movably connected with the lower penholder. A length scale coating is arranged on the side surface of the upper pen holder; the refill is arranged in the pen holder; one end of the functional block is aseal; the fixed ends of two connecting rods of the connecting piece are oppositely arranged on the upper pen holder, the free ends of the two connecting rods both exceed the end part of the sealed end of the upper pen holder, and the functional block is rotatably connected to the free ends of the two connecting rods; and the pen clip is arranged on the outer side of the connecting rod. The multi-functional electric fan is