Background: Maintaining a healthy lifestyle is crucial for disease prevention, health improvement, and general well-being during the course of a person's life. Many lifestyle modifications are also helpful in the treatment of pulmonary tuberculosis. Aim of the study: Was to assess the healthy lifestyle of patients with pulmonary tuberculosis. Research design: This study was carried out using a descriptive research design. Setting: A descriptive research design was used. Setting: The current study was conducted at Benha Chest Hospital and the Pulmonary Tuberculosis Dispensary at the 23 July Hospital for Chest in New EL Marg, which is affiliated to the Ministry of Health and Population. Sample: A purposive sample was used. The total number of patients with pulmonary tuberculosis in the study was 80. Tools: Tool I: A structured interviewing questionnaires were used to assess: a) patients' socio-demographic characteristics, b) patients' health status, c) knowledge about pulmonary tuberculosis. Tool II: Lifestyle pattern scale. Results: 50% of the studied patients were aged from 20<30, with a mean SD of 44.5 ± 14.46. Males made up 55.0% of the studied patients, 48.7% of the studied patients had an average level of knowledge about pulmonary tuberculosis, while 66.3% had unhealthy lifestyle pattern, and 76.3% had poor health status. Conclusion: This study found that more than two-fifths of the studied patients had total average level of knowledge about pulmonary tuberculosis disease, three-quarters of the patients had poor health status, nearly two-thirds of the patients had unhealthy lifestyle pattern, and there was a highly statistically significant relation between total lifestyle pattern and their health status. Recommendation: Provide a health education program for patients with pulmonary tuberculosis developed and implemented to improve and upgrade patients' knowledge about increasing compliance with healthy lifestyle patterns.