There is provided a throwaway cuff cover capable of being used for all types of cuffs and performing triage at the same time. The cuff cover has a long main cover 20 which is wound around the upper arm of the human body and a sub-cover 30 shorter than the main cover 20, the sub-cover 30 being provided connectingly along one side of the main cover 20 and capable of being folded onto the main cover 20 side, and the cuff housing portions 21 and 31 are allotted to the main cover 20 and the sub-cover 30, respectively.