Magnetic tweezers device capable of controlling temperature

The utility model provides a magnetic tweezers device capable of controlling temperature. The magnetic tweezers device capable of controlling temperature comprises a microscopic imaging device, a magnetic tweezers device, a sample pool, a central monitor, a sample platform and a temperature control device, wherein the magnetic tweezers device comprises a pair of magnetic tweezers and a magnetic tweezers controller; the magnetic tweezers are horizontally arranged at the side of the sample pool and controlled by the magnetic tweezers controller; one end of a biological single molecule is connected on the side wall in the sample pool far away from the magnetic tweezers, and the other end of the biological single molecule is connected with a paramagnetic magnetic sphere which is controlled by the magnetic tweezers; the sample platform is provided with a sample pool groove used for containing the sample pool; the sample pool is arranged in the sample pool groove; the sample platform is made from a heat conduction