〔Abstract〕 Objective To explore the sensitivity and specificity of the classification and classification criteria for emergency patients in Shenzhen. Methods Choose 100 patients from The Second People's Hospital of Shenzhen, Shenzhen Baoan District People's Hospital, Shenzhen Hospital of Southern Medical University and Shenzhen Longhua District People's Hospital from November 2019 to January 2020 The guidelines for emergency pre-diagnosis and triage (Trial) are used for graded diagnosis and treatment to verify their sensitivity and specificity. Results The sensitivity of Shenzhen emergency classification and triage criteria for emergency patients is 91.51%, the specificity was 89.46 %, and the positive predictive value was 75.78 %, The predictive value for non-emergency patients was 96.69%. Emergency classification and triage standard validity display 2 = 46.895, Spearman rank correlation showed R = 0.36 (P < 0.05), the correlation was not high. Conclusion The emergency classification and triage standards of Shenzhen City could predict and distinguish the severity of emergency and non-emergency patients.