A label peeling method for label sheet includes: conveying a label sheet including a base sheet and a label affixed to the base sheet along a conveying path that is bent at a bent portion; and performing a printing operation on the label from a beginning portion of printing while conveying the label sheet, wherein the conveying of the label sheet and the printing operation are stopped once in a state where the label sheet is conveyed until a conveying-direction leading end portion of the label reaches a downstream side of the bent portion of the conveying path, after a stopping state is held for a predetermined time, the conveying of the label sheet and the printing operation are resumed so that the label is peeled from the base sheet at the bent portion of the conveying path.