Abstract: This paper presents about pollen morphology of the plants from Xisha Qundao (China’s islands in the South China sea). 39 species in 37 genera are belonging to 25 families described and photomicrographically illustrated. These are: Sesuvium portulacastrum L., Alternanthera sessilis (L.) DC., Amaranthus viridis L., Celosia argentea L., Gomphrena celosioides Mart., Cordia subcordata Lam., Messerschmidia argentea (L.f.) Johnston, Cleome viscosa L., Casuarina equisetifolia L., Chenopodium acuminatum Willd. subsp, virgatum (Thunb.) Kitam., Terminalia catappa L., Conyza bonariensis (L.) Cronq., Tridax procumbens L., Vernonia patula (Dry.) Merr., Wedelia biflora (L.) DC., Ipomoea pes-caprae (L.) Sweet, Ⅰ. tuba (Schlecht.) G. Don, Euphorbia atoto Forst. f., Scaevola sericea Vahl, Eragrostis ciliata (Roxb.) Nees, Calo- phyllum inophyllum L., Pemphis acidula J. S. & Forst., Mimosa pudica L., Bogenhardia crispa (L.) Kearney, Sida parvifolia DC., Mollugo oppositifolia L., Boerhavia diffusa L., B. erecta L., Pisonia grandis R. Br., Canavalia maritima (Aubl.) Thou., Crotalaria mucronata Desv., Guettarda speciosa L., Morinda citrifolia L., Solanum nigrum L. var. pauciflorum Liou, Suriana maritima L., Lippia nodiflora (L.) Rich., Waltheria americana L., Clerodendron inerme (L.) Gaertn., Tribulus cistoides.