▎ 摘　　要

NOVELTY - Graphene fiber temperature sensor comprises first fiber part and second fiber part connected to the first fiber part. The first fiber part and the second fiber part include graphene. The reduction degree of the first fiber part and the second fiber part is different. USE - The graphene fiber temperature sensor is useful in wearable devices for measuring person's body temperature and environment temperature. ADVANTAGE - The graphene fiber temperature sensor achieves high-performance; and is flexible. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) manufacturing graphene fiber temperature sensor comprising preparing graphene fibers and reducing graphene fibers; and (2) wearable devices comprising graphene fiber temperature sensor