Results: The prevalence rate of hospital infection is 7.78%, in which male patients accounted for 63.9% and female patients are 36.1%, in which wound infections are 8.3%, respiratory tract infections are 77.8%, blood infections is 2.8%, infected burns are 8.3%, skin and soft tissue infections 0%, neonatal infections and urinary tract infections are 11.1% Conclusion: Hospital-acquired infections prolong hospitalization.