Prediction of Total Output Value of Construction Industry in Jiangxi Province Based on Grey Prediction Model

In order to realize the accurate prediction of the total output value of construction industry in the future, the grey prediction model is used to compare the measured value with the predicted value from 2012 to 2021, and based on the existing data, the total output value of construction industry in Jiangxi Province in the next five years is predicted. The results show that the grey prediction model has a good prediction effect, and the error between the predicted value and the measured value is within 14%, which provides a basis for policy adjustment and resource optimization.