The invention discloses a thermal comfort degree index predicted mean vote (PMV) control method and equipment. In the scheme, the thermal comfort degree index PMV is predicted through a pre-trained PSOGSA-FNN-based thermal comfort degree index PMV real-time prediction model, the prediction result is very accurate, target intervals are set for a refrigeration mode and a heating mode on the basis ofthe accurate prediction result, control is conducted based on the range of the target intervals, in this way, the thermal comfort index PMV can be dynamically changed in one target interval, accuratedynamic control of the thermal comfort degree index PMV is realized, and the needs of many people for the comfort degree can be met.