The invention discloses a labeling assembly line for a stroke switch assembly machine, which comprises a feeding device, a first charging device, a labeling device, a second charging device, a protective cap feeding device, a discharging device and a finished product mounting box, wherein the feeding rack of the feeding device is provided with the first charging device, the labeling device, the second charging device and the discharging device; the rear side of the feeding rack is provided with the protective cap feeding device; the left side of the feeding rack is provided with the finished product mounting box; the first charging device conveys stroke switches to the feeding device; the labeling device carries out labeling processing on the stroke switches; the second charging device conveys protective caps at the protective cap feeding device to the feeding device; and the discharging device conveys the well-assembled stroke switches to the finished product mounting box. Through the above mode, manual labor can be replaced, assembling and labeling processing can be automatically, high efficiently and tidily carried out on the stroke switches, the labor is saved, and the production cost is reduced.