Abstract: Objective To study the impact factors that resul t in retreatment of different management area.Methods Re-treatment TB patients had been investigated by face to face interview survey with questionnaire.Result Re-treatment cases had dropped from 1993 to 1997.The re gions used ITP(World Bank Loaned Project,described as international tuberculosi s program,ITP) had greatly declined, but the regions used NTP (national tubercu losis program, NTP) and CTT(convention tuberculosis therapy,CTT)had gently dr opped. The reasons of re-treatment were the p atients who did not insist on treatment, or did not approprite treamtnet regimen used,or irregularly treated. The main reason was incomplete treatment that occ upied 70% of the total retreament cases in CTT area.Conclusion We should strengthen treatment management for new sm ear positive tuberculosis patients to reduce occurrence of re-treatment TB patients.

Key words: Tuberculosis, Re-treatment causes, Strategy of management