1. According to the working principle, it can be divided into air displacement pipette and forward displacement pipette;
2. According to the number of tips that can be installed at the same time, it can be divided into single channel pipette and multichannel pipette;
3. According to whether the scale is adjustable, it can be divided into fixed pipette and adjustable pipette;
4. According to the way of adjusting scale, it can be divided into manual pipette and electric pipette;
5. According to special purposes, it can be divided into full disinfection pipette, large volume pipette, bottle mouth pipette, continuous injection pipette and so on.