Many ailments, including somatic conditions like hypertension and pulmonary diseases additionally psychiatric conditions like anxiety and depressive disorders, benefit from using deep breathing techniques. The purpose of this literature review is to determine the effect of deep breathing on stress-induced anxiety and cardiovascular changes. METHOD: Search engines like PubMed and Google Scholar have been used to collect the reviews consisting of systematic reviews, randomized controlled trials, and experimental studies regarding the current evidence of the effect of breathing exercises on stress induced anxiety and related cardiovascular changes. A total of 35 articles were identified, among them 20 articles from 2007 to 2023 were selected for review. RESULT: four experimental studies were identified, where they compared the experimental group with the control group. Four quasi-experimental studies tested Deep Breathing Exercises to significantly reduce stress, anxiety, and circulatory problems. One systematic review summarized the impact of breathing activities on prehypertensive and hypertensive patients whereas One author summarized the positive effect of doing daily Deep breathing exercises to lessen stress of immediate or chronic by decreasing the sympathetic activity. One pre-experimental study concluded the effect of the DBE on headache and vitals like blood pressure, pulse and temperature.