Background:In sight the fact that asthma is a condition that affects the human respiratory system, it is possible to classify this condition as belonging to a category of immunological illnesses that target the respiratory system. Exercises involving pursued lip breathing (PLB) are one of the non-pharmacological treatments that can be used for asthma patients.Self-care management techniques will improve the respiratory function and improve the quality of life. Methodology: Quasi-experimental one Group pre-test post-test research design using quantitative research approach is used in this study. Non probability purposive sampling technique was followed and sample size was 15.Asthmatic adults were selected from OPD of the hospitals and clinics. Pursed lip breathing was followed by samples for four weeks