Capacitance pen with magnetic attraction function

The utility model relates to the field of capacitance pens, and discloses a capacitance pen with a magnetic attraction function, which comprises a capacitance pen main body, a limiting magnetic groove is arranged on the outer wall of the capacitance pen main body, a first magnetic card groove is arranged on the inner wall of the upper end of the limiting magnetic groove, and a second magnetic card groove is arranged on the inner wall of the lower end of the limiting magnetic groove. A first magnetic card slot and a second magnetic card slot are arranged in the capacitance pen body, a limiting magnetic sliding block matched with the first magnetic card slot and the second magnetic card slot is connected in the limiting magnetic slot in a sliding mode, the outer end of the limiting magnetic sliding block is fixedly connected with a pen sleeve, and the pen sleeve is sleeved and connected to the outer wall of the capacitance pen body in a sliding mode. The pen cap is limited on the capacitance pen main body by th