For storage mode of normal temperature and high pressure, based on simulation calculation of release rate of liquefied ammonia, the influence of pipe length, pipe diameter, storage state and storage temperature in saturation condition on two-phase release rate were analyzed. 针对较危险的常温高压存储,通过模拟计算,分析了管道长度、管道直径、存储状态以及饱和存储温度对液氨两相质量泄漏速率的影响。