stigation, classification and evaluation of naturalР resources》( GB /T18972—2003) , the natural tourism resources in Hainan p rovince were investigated, classifiedРand evaluated. The results showed that Hainan’s natural tourism resources include 4 main categories, 16 sub catРegories and 61 basic types, accounting for 100% , 94. 1% and 85. 9% of the total natural tourist resources inРChina respectively. Among the natural tourism resources in Hainan, there were 335 tourism resource monomer,Р including 47 superfine tourism resource monomer, 225 fine monomer, mon monomer and 62 no classРmonomer, accounting for 14. 0% , 67. 2% , 14. 3% and 18. 5% of the whole tourism resource monomer respecРtively.РKey words: natural tourism resources; investigation; classification; evaluation; Hainan p rovince