Abstract: Objective To analyse the factors that causing fever of the patients with anti-tuber- culosis treatment.Methods The 112 hospitalized pulmonary tuberculosis(PTB)patients from 2003 to 2006 occuring fever during anti-tuberculosis treatment were analysed respectively.Results The 112 PTB patients occured fever for 140 times.There are six factors causing fever including infection other than TB,fever due to TB,drug reaction,fever after bronchoscopy,combined with extrapulmonary TB and other complications.The infection acquired in hospital accounts for 98% of the infection other than TB.There is correlation between fever due to TB and hypo-albumin level of serum.Conclusions Hospital acquired infection other than TB was the top factor that causes fe- ver,followed by drug reaction and combination with extrapulmonary TB.

Key words: Factor causing fever, Anti-TB treatment, Infection other than TB