<；P>；PROBLEM TO BE SOLVED: To provide a package structure for a heating tool by which the heating tool is maintained for a long term and excellent operability in use is obtained. <；P>；SOLUTION: The package structure 1 for the heating tool includes: an air-impermeable first package body 10 for storing the heating tool 2 to generate heat by the reaction with oxygen in the air； and a second package body 20 where a fluid drug W is sealed and which is joined with the outer surface of the first package body 10. When the second package body 20 is opened in use, the drug W is supplied to the inner part of the first package body 10. The first package body 10 includes a supply port 11 formed for supplying the drug W to the inner part of the first package body 10. The supply port 11 and its circumferential part are breakably covered by the second package body 20, and the inner part of the first package body 10 is made to be air-tight not in use. <；P>；COPYRIGHT: (C)2010,JPO&INPIT
