nc objectives of this research war lo I I study the level of argarization climace of Boromarajonani callcp alNursing. Udanlhani. and compare thc opinion of organization climate beween he tirsr and fomh year nursing rludcnrr. Thc sample was 233 nursing sIndcnb. which selected by syrtematic random sampling. The research instrument wns rhc questionnaire with 52 item with raUng scale. questionnaire was divided in10 8 dimensions: I) structure. Individual rcsplnsibility. warmth and suppon. 4) reward and punirhmcnCapproval and disapproval. 5) conflict and Lolerancc for eontlict. 6) pnformancc swndard and erpccotion. 7) organizational idcntiiy and mloydty, and 8) risk and risk taking. The data were analyzed by wing, frequency. mean. standard deviation. Independent Itest. results showed that he all of 8 dimensions were at the high level. The alrnmt dimension of opinion ai orpnintion cli idenlily and grwp loyalty wcrc high level Unfortunately. apinlon of conlct and talerancc fur conflict was moderate levcl Comparisono rRearch clarriticd by levcl of nursing rludent was found that il war rignitionlly diFcrcnt at .OS levcl The almost dimension of opini I organization climate war organizational idcntily and group loy3lty. Erpccially the lint year nursing studcnr wlr signilicantly diffmol han second. third and rourth years nursing rtudenls.