The research also showed a number of barriers which led to a specific proportion of household contacts who did not participate in LTBI screening and treatment, including barriers related to knowledge, stigma and perceived stigma, convenience of health services, LTBI treatment regimen, etc. The research proved that the one-stop service model of LTBI diagnosis and treatment at the 04 district health centers were more reasonable than the one which was mostly undertaken by commune health stations last time (2016).