遇水自膨胀麻袋在防洪排水等领域得到了广泛应用，根据遇水自膨胀麻袋的结构和应用情况，探讨了遇水自膨胀麻袋的安全性能指标，并提出了遇水自膨胀麻袋的安全性能检测方法。

Water swelling gunny-bag is widely applied in flood prevention and drainage. According to the structure and application of water swelling gunny-bag, the safety performance indexes were discussed. The testing methods of safety performance of water swelling gunny-bag were put forward.