The present paper is the last part of the report on the echinoderms of the Xisha Islands, dealing with the Crinoidea. The materials on which this study was based are collections made by the Institute of Oceanology, Academia Sinica. The crinoid fauna is very poorly represented in the coral reefs of the Xisha Islands. There are 56 specimens of crinoids in the collection, which upon identification yielded only three species. General remarks of the echinoderm fauna of Xisha Isiands are given.A distribution table for the various species of the echinoderm fauna of the Xisha Islands is given as follows: