Pruritus is one of the typical clinical manifestations of bullous pemphigoid (BP) . In recent years, researchers have gradually recognized that the histamine-independent itch pathway plays an important role in BP. Eosinophils, basophils, interleukin (IL) -31, IL-4, IL-13, thymic stromal lymphopoietin, periostin and substance P are all closely related to the occurrence of pruritus in BP. This review mainly elaborates research progress in mechanisms related to pruritus in BP.