Temperature measuring assembly and battery pack

The utility model discloses a temperature measurement assembly and a battery pack, the temperature measurement assembly comprises a fixing device and an optical fiber sampling member, the fixing device is provided with a through hole used for fixing the optical fiber sampling member, and the through hole is used for the optical fiber sampling member to pass through; the fixing device is used for fixing the optical fiber sampling piece on a measured object, and the optical fiber sampling piece is used for determining the temperature of the measured object. The optical fiber sampling piece can be in a loose state when being fixed on a measured object through the through hole formed in the fixing device, and the temperature measuring assembly has the advantages of being high in integration level and small in occupied space and can be arranged in a narrow space or a plane.