The utility model discloses a gel pen, and belongs to the field of school supplies. The gel pen is used for achieving the purpose of multiple functions. According to the technical scheme, the gel pen mainly comprises a pen holder, a pen point, a refill and a pen cap, wherein a flexible ring is installed in the front of the pen holder, two rubber sheets are inserted into the flexible ring, and an electronic clock, an LED lamp and a counterfeit detector are arranged on the pen cap. When the gel pen is in use, the gel pen is directly used for writing or the electronic clock is used for having control over time, and the LED lamp is used for lighting or the counterfeit detector is used for completing distinguishing work. The flexible ring and the rubber sheets are held by fingers, the flexible ring and the rubber sheets have an buffering effect, and fatigue of the fingers can be relieved; when the gel pen is placed on a table, because of the blocking effect of the rubber sheets, the gel pen can be prevented from rolling; because the electronic clock, the LED lamp and the counterfeit detector are installed on the pen cap, more convenience and enjoyment can be brought to learning and life. The gel pen is simple in design structure, convenient to use, low in price and good in popularization value.