Abstract: Investigations of parasitic nematodes on Lvchee were carried out inGuangdong province from 1991 to 1993. 29 species of nematodes which belong to 17genera, 14 families and 2 orders were identified from 42 root samples and soil sam-ples around roots of Lychee plants in 10 cities (counties). These species were existedas follows: Tylenchus buttenk; T. cylindricollis; T. exiguus T. fasiformis; T.parvissimus; Clavilenchus similis; Tylenchorhynchus claytoni; T. nudus; Pratvlenchuscoffeae; P. brachyurus; Helicotylenchus californicus; H. cornarus; H. digonicus; H.dihysters; H. exallus; Aorolaimus belicus;Scutylenchus quadrifer; Meloidogyne sp;Rotylenchulus reniformis; Macroposthonia xenoplax; Discocriconemella limitanea;Tylenchulus semipenetrans; Paratylenchus elachistus; Aphelenchus avenae; A.meximus; A. Sparsus; Aphelenchoides bicaudatus; Xiphinema americanum;Trichodorus monohystera; T.nanus; Lelenchus sp.. The former 23 speices are new re-cords on Lychee.