Abstract: Pulp temperature, as an important operating parameter in the mineral flotation process, has a significant impact on the flotation effect. Objective To systematically study the influence mechanism of pulp temperature on the flotation effect of minerals and explore methods to optimize the flotation process and improve the flotation efficiency by reasonably regulating the temperature. Method The article systematically summarizes the influence laws of pulp temperature on pulp properties, mineral surface, flotation reagents and bubble behavior, and based on this, puts forward optimization suggestions. Result First of all, increasing the slurry temperature will reduce the slurry viscosity, which in turn will promote the contact frequency and reaction rate between the mineral and the flotation agent. Secondly, the increase of slurry temperature can improve the surface activity of minerals, increase the adsorption and binding capacity between minerals and flotation agents, help to improve the flotation effect and increase the recovery rate of minerals. In addition, the increase of slurry temperature will weaken the Coulomb interaction energy between the mineral and the bubble, promote the attachment and floatation of the bubble and the mineral, and then improve the flotation rate and recovery. Conclusion It is of great theoretical and practical significance to study the influence mechanism of slurry temperature on mineral flotation to optimize the flotation process and improve the recovery rate of minerals.