Objective Methods 22 male Kun Ming mice were divided into the normal control ( NC) group and CIH-CR group． The mice of CIH-CR group suffered 8 hours intermittent hypoxia everyday for 4 weeks． The concentration of O₂ and CO₂ in the cabin was detected by oxygen analyzer and Carbon dioxide detector，meanwhile，the blood oxygen saturation were detected by blood oximeter． At the end of the experiment，weight of right and left ventricles was measured． The general pathological changes of myocardium，pulmonary，kidney and brain were observed by HE staining． Result The concentration of O₂ and CO₂ in the cabin and the SO₂ in the empennage of mouse accord with the cyclical change process． Compared with the NCgroup，the right ventricular hypertrophy were increased in the CIH-CR groups( P＜0. 01 ) ． The tissue of myocardium，pulmonary，kidney and brain were showen obvious hypoxic change in CIH-CR group． Conclusions A CIH-CR animal model were be established successfully．