The magnetic heating stirrer adopts high-quality DC motor, which has low noise and stable speed regulation. The fully enclosed heating plate can be used for auxiliary heating. Constant temperature magnetic stirrer can set temperature and temperature display, can be used for long-term heating, and the digital display is intuitive and accurate. The stir bar is made of polytetrafluoroethylene and high-quality magnetic steel, high temperature resistance, wear resistance, chemical corrosion resistance, and strong magnetism. The mixing work can be carried out in a closed container, which is ideal and convenient to use.