[Problem]To provide a method for forming a smooth sugar-coating layer having sufficient practical strength that enables to significantly shorten the time required for the sugar-coating process with sugar alcohol by increasing the crystallization rate of sugar alcohol such as maltitol, etc., as well as a sugar-coating formation accelerating agent.[Solution]A method for accelerating the sugar-coating formation of sugar alcohol coating by blending calcium lactate in a ratio of 1 to 10% by weight in the sugar-coating liquid composed of a sugar alcohol, wherein the calcium lactate acts as accelerating agent for the sugar-coating formation of the sugar alcohol.