As Korea continued to increase tuberculosis patients, Guidelines for Tuberculosis management was revised so as to conduct latent tuberculosis tests on TB contacts and recommend treatment. As a result, latent tuberculosis that has not been conducted has been examined and treated so far. This study aims to understand the world of treatment experience of medical staff at general hospitals identified as positive in latent tuberculosis diagnosis. The subjects were eight doctors under treatment for latent tuberculosis, convenience sampling, and analysis of phenomenological method of Colaizzi was derived or 4 categories and 11 themes. The 4 major categories were psychological impact for infectious diseases of latent tuberculosis , refusal to treat , do not accept treatment for latent tuberculosis , Anxiety . The above results provide data useful for psychosocial understanding of medical staff infected with latent tuberculosis so that it can grasp the disability factors of latent tuberculosis management and identify medical staff, medical institutions and the state We hope to present a suggestion of hidden tuberculosis management at the level and prepare strategies for tuberculosis.