Refrigerator internal environment detection and control method and system

The invention provides a refrigerator internal environment detection and control method and system, and relates to the technical field of refrigerators. The method comprises the following steps: detecting temperature data at a plurality of moments of an ith detection period; predicting predicted temperature data of the ith detection period according to the temperature prediction model; judging whether the temperature prediction model needs to be trained; if training is needed, a temperature prediction model is trained according to the temperature data and the predicted temperature data of the ith detection period; performing prediction through the trained temperature prediction model to obtain predicted temperature data at the end moment of the (i + 1)-th detection period; whether the refrigeration power needs to be adjusted or not is determined according to the predicted temperature data at the end moment of the (i + 1) th detection period and a preset temperature threshold value; if adjustment is needed, th