To allow a portable electronic apparatus not to be always dropped without relation to the using state of the pocket electronic apparatus.

In a portable telephone 1, a first housing 2, a second housing 3 are connected rotatably in a direction (direction a) that the inside surfaces 21, 31 of the first housing 2 and the second housing 3 are attached with one another via a hinge 11 as an axis. A holding mechanism 4 for holding the portable telephone 1 is provided at an outer member is provided at the hinge 11. A string 41 having one end 42 as a free end, and a coiled spring for energizing the one end 42 of this string 41 in the body housing direction (direction b) of the portable telephone 1, are provided in the holding mechanism 4. Further, a detachable holding means 43 attachable and detachable at the outer member is provided at the one end 42 of the string 41.