Abstract: Objective To provide the scientific basis to improve case detection rate through evaluation on the correlated factors of delay in tuberculosis diagnosis and treatment with tuberculosis social assessment. Methods Quantitative and qualitative combined analysis in three counties were adopted.Cases,suspects and community residents were investigated. Results 26.4% of cases delayed to diagnosis in these counties.The major reasons were,54.4% of cases realized it is light of their situation,33.3%of cases were poor.Agedness and without knowledge of tuberculosis control institute and the policies of free diagnosis and treatment were the main factors.59.9% of cases delayed to be confirmed tuberculosis.Too many times for diagnosis before firm diagnosis was main factor.96.3% of cases were firm diagnosed took treatment within one week. Conclusions in order to reduce delay in tuberculosis diagnosis and treatment it is essential to strengthen health education in county to improve its cover rate,train the doctors on tuberculosis technique in village level,and pay attention to elcler and women.

Key words: Pulmonary tuberculosis/prevention and control, Tuberculosis/diagnosis, Tuberculosis/treatment, Fujian province