Another theory traces the origins of the smaller Chinese breeds, such as the Pekinese and the Lhasa apso, to the tiny hsiu, or sleeve, dog of Sinkiang, so named because it can fit inside a sleeve.
至於中國小型狗，如北京狗的來源，亦有一說：它原是新疆一種小狗，只有幾寸長，可以塞在袖子裡，稱為「袖狗」。