[Objective]A rapid and non-destructive detection model of leaf moisture content in Jun jujube of Southern Xinjiang was established.[Method]73 pieces of intact and undamaged Jun jujube leaves were selected,and NIR was used to detect the important index of water content of Jun jujube leaves. 3 different spectral pretreatment methods were applied to establish PLS detection model for water content of Jun jujube leaf.[Result]The best combination in the PLS model predicting the water content of Jun jujube leaves ...