Blepharipoda liberate Shen can clean intertidal sand, which has important ecological significances. In order to study the external characteristics and provide more information for the research and utilization of Anomura, B. liberate Shen were utilized for the dissection and observation under microscope. B. liberate Shen is unisexual; the pleopods and the location of genital pore are different between females and males. Female B. liberate Shen has four pairs of endopodites that are located in the abdomen; however, male B. liberate Shen has no endopodites. The location of genital pores of female B. liberate Shen are on the venter of the basis pereopod II, while the genital pores of male B. liberate Shen are located on the venter of the basis pereopod Ⅳ. The commensal bivalves are attached to body surface and gills. Similar to brachyura, B. liberate Shen have carapaces, but they have no sternum. The abdomen can not attach to the cephalothorax venter because of the lack of the stemal groove. Pleopod Ⅵ is much developed to form tail fan with telson that functions swimming like shrimps. A pair of the pereopod Ⅳ of B. liberate is located in the abdomen that is different from shrimps or crabs.