This study proposes a novel method for predicting material creep behavior based on the Z_C parameter method using limited creep strain data, aiming to address the limitations of traditional creep prediction methods under conditions of high data variability and incomplete experimental data. A systematic prediction of the creep behavior of DZ125 alloy was conducted, analyzing the creep curves and rupture lifespans under varying temperature and stress conditions. The results indicate that the Z_C parameter method can accurately predict complete creep curves from limited creep stress-time data, with predicted values closely aligning with experimental data; all predicted data points fall within the 95% confidence interval. Furthermore, the Z_C parameter method covers a broader strain range with smaller errors in lifespan predictions, offering a reliable approach for forecasting the creep behavior of high-temperature alloy materials. The study provides new theoretical support and practical application references for the prediction of creep performance in materials.