【Objective】To irrigate fields of heavily salinized-alkalinized soil with water from melting saline ice is found to have an apparent soil ameliorating effect. Melting of saline ice is a dynamic process of meltwater in quality and quantity. 【Method】To explore feasibilities of using saline water to irrigate fields of saline soil for soil amelioration, in this paper an experiment was designed to simulate infiltration process of water from melting saline ice into coastal saline soil. A soil column experiment was conducted in this study. The experiment was designed to have three treatments and a CK, i.e. gradient saline water infiltration (GSI), mere saline water infiltration (DSI), melting saline ice infiltration (MSI) and fresh water infiltration as control (CK). The saline water used in the experiment was set to be 15 g·L^-1 in salinity and 314.3 mm in volume. Besides, according to the variation of meltwater in salinity and volume during the melting process of saline ice, four batches of infiltration were designed for treatment GSI, with melted water different in salinity and volume (81 g·L^-1, 19 g·L^-1, 3 g·L^-1 and 0 g·L^-1 and 25 mm, 125.8 mm, 94.3 mm and 69.2 mm, respectively, for S1, S2, S3 and S4). The four batches of water were charged one after another when the previous batch totally infiltrated. 【Result】Results show that infiltrating water went down deeper and faster in all the three treatments than in CK within the same time period, and in treatment GSI than in treatment DSI during the initial infiltration stage. In treatment DSI, each batch infiltration significantly increased the next batch in infiltration rate for the first two batches, but for the last two, treatment GSI fell significantly behind treatment DSI in infiltration rate, owing to the lowering salinity of the infiltration water. At the end of the infiltration, the treatments were found following an order of DSI > GSI > MSI in water and salt content in the 0-40 cm soil layer; treatment GSI and treatment MSI were quite similar in soil water and salt distribution and reached up to 92.87% and 91.38% respectively in desalinization rate, which were apparently higher than 74.74% in treatment DSI. 【Conclusion】The above findings have made clear the characteristics of the infiltration of saline water varying in salinity in coastal saline soil, and batch infiltration of saline water had an effect similar to that of infiltration of melting saline ice on desalinization, which provides an useful means to simulate infiltration process of meltwater, changing in salinity and volume with the saline ice melting, and a theoretical basis for the technology of irrigating saline soil with saline and fresh water alternative.