综述了目前用于粉末注射成形充模流动模拟所采用的理论模型及其应用研究现状，并对各自的优缺点进行了分析。

The theoretical model and research status of the simulation of powder injection molding filling process are reviewed. Their merits and demerits are analyzed and compared.

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介绍了粉末注射成形充模流动模拟所采用的数值计算方法，展望了该技术的发展趋势和方向。

The numerical methods in the simulation of mold filling process are introduced. The main trends and directions are proposed.

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