A drop of low temperature liquids such as water, methyl alcohol, etc. is dropped onto several kinds of molten salts, molten tin and glycerine over a wide range of temperature differences. The evaporation mode of the drop is roughly classified into four types. The evaporation time curve is generally of the from of an S laid sideways, similar to the curve for a solid surface, that is, the existence of maximum and minimum evaporation time points are observed. With respect to the Leidenfrost temperature, the interface temperature at the Leidenfrost point shown to be nearly equal to the limit of superheat, independent of the critical temperature. A series of precise observation shows that the splash phenomenon does not occur on molten salts, but does occur on molten tin.