Objective To describe the status quo of stigma in patients with pulmonary tuberculosis (TB) and to analyze the relationship between their stigma and treatment adherence. Methods Totally 120 TB patients who were treated in Beijing Chest Hospital between August 2015 and February 2016 and met the inclusion criteria were selected by convenient sampling and investigated with questionnaires. The tuberculosis-related stigma scale (TSS) and Morisky Medication Adherence Scale (MMAS 8-item version) were used to assess the patients' stigma and treatment adherence, respectively. Results The patients' stigma score in the dimension of other's depreciation was (27.71±9.48), while their stigma score in the dimension of self-depreciation was (25.73 ± 8.65). The patients' stigma score in the dimension of self-depreciation was negatively correlated with their treatment adherence (r=-0.194,P=0.03). Conclusions Nursing staff shall strengthen psychological care for patients and reduce their stigma. Meanwhile, they should take targeted nursing measures from different perspectives and improve patients' treatment adherence.