Digital display thermostat microscope is widely used in the baking, drying and other temperature tests of the sample. It is an essential tool for biological genetic, medical and health, environmental protection, biochemical laboratory, analysis room, educational research. It is mainly used for animal husbandry. Thermostat microscopes are one of the essential equipment for artificial insemination laboratories. Most of the artificial insemination laboratories are not instantaneously completed, semen requires a stable temperature, 37℃ sperm has the strongest vitality, most of the semen needs to be maintained at 35℃-37℃ or so, medical sperm and blood breeding.