The invention relates to seed uniform dry heat sterilization treatment equipment and a control method. The seed uniform dry heat sterilization treatment equipment is formed by a shell, a seed circulating transportation system, a temperature and humidity regulating system, a seed uniform dry heat system, an intelligent controller, a temperature sensor, a humidity sensor and related components. Theseed uniform dry heat sterilization treatment equipment disclosed by the invention is capable of controlling a heating temperature to change according to a preset temperature-time curve, meanwhile, uniformity of the temperature of environment of seeds can be realized, and accurate control on temperature in different positions can be realized during a temperature change process. The seed uniform dry heat sterilization treatment equipment disclosed by the invention is consistent in seed treatment temperature, complete in sterilization, accurate in temperature control, high in efficiency and simple in operation, can meet dry heat treatment of various seeds and has wide adaptability.