Objective: The aim of our study was to find out the treatment outcomes of TB patients who were registered under DOTS program in a tertiary care hospital Lahore. Study Design: A descriptive case study. Place and Duration: This study was conducted at TB DOTS clinic, Services hospital Lahore for the duration of seven months starting from April, 2020 to October, 2020. Methodology: In our present study we include 75 TB patients. We gathered all the data by mean of structured proforma in which demographic details of patients were registered along with information regarding site of TB, treatment outcomes and success of outcome. Patients were labeled as Cured who completed six months therapy with the result of negative sputum microscopy for Acid Fast Bacillus (AFB). Patients were labeled as Treatment Completed who completed six months therapy with the results of no sputum microscopy for AFB. SPSS version 20 was used for the analysis of data. Results: In our present study we include 75 TB patients in which 61.3% patients were females and 38.7% patients were male. 65.3% patients were belonged to urban area. According to results of our study a healthy finding were observed that normal treatment resulted in complete treatment group as 65.3% of patients followed by 21.3% of cured ones and treatment failure was observed very low as 2.7 percent. Conclusion: At the end of study, we conclude that most of TB patients who were registered under DOTS program were having successful treatment outcome. It is suggested that patients with unsuccessful treatment outcomes should be followed up for health education as well as treatment respectively. Key Words: Tuberculosis, Outcomes, DOTS.