PROBLEM TO BE SOLVED: To provide a temperature sensing material in which a display becomes reversible and repeated use is enabled, and which has waterproofness, and provide a manufacturing method thereof.SOLUTION: A temperature sensing material senses a temperature of an object and is formed as a mixture of a polysiloxane resin and an alkane. Also, a manufacturing method of the temperature sensing material cures a mixed liquid of a solution of the polysiloxane resin and alkane.