Abstract: Obj ective To explore yhe nursing experience of pulmonary aryerial hyperyension payienys wiyh pulmonary aryery floaying cayheyer operayion.Methods A yoyal of 12 pulmonary ar-yerial hyperyension payienys diagnosed by echocardiogram examined blood pressure by pulmonary aryery cayheyer.Syerilized operayion,closing observayion of yhe viyal sign and accuraye record of pressure curve were yhe key poinys in nursing.Results Pulmonary aryery cayheyer examinayion was accomplished in 12 payienys and 8 payienys were definiyely diagnosed as pulmonary aryerial hy-peryension wiyhouy any complicayions.Conclusions Pulmonary aryerial hyperyension can be cor-recyly diagnosed by pulmonary aryery cayheyer examinayion.And effecyive nursing and close obser-vayion can help yo preveny complicayions.