Objective: to investigate the current situation of insulin injection provided by clinical nurses under KAP(Knowledge-Attitude-Practice) model on Linzhi, Tibet, and to discuss and analyse the influence factors. Methods: using a self-design questionnaire a questionnaire about the current situation of insulin injection provided by clinical nurses under KAP model on Linzhi, Tibet to investigate 268 clinical nurses in Linzhi, Tibet, who were chosen through random sampling method, in order to analyse the ‘KAP’ scoring and the influencing factors. Results: The scoring of ‘Knowledge’ is (65.642±10.313), the scoring of ‘Attitude’ is (55.478±8.099), the scoring of ‘Practice’ is (42.493±6.647), the total scoring is (163.612±19.292). The related influence factors, including hospital, department, academic credentials, professional qualifications and whether receiving diabetes specialized training, have statistical significance (P value?0.5). Conclusion: The KAP of insulin injection provided by clinical nurses in Linzhi, Tibet is on middle level. For nursing managers, it is strongly advised that a normative.