An experimental comparative study design was done for 30 patients to assess the impact of deep breathing exercises and chest physiotherapy on the oxygen saturation of patients with COVID19 in Imam Hussein Teaching Hospital and Al Rifai General Hospital/ Thi Qar. The reliability of the questionnaire was achieved through a pilot study and then presented to experts to prove its validity. The total number of items was 40-items in two questionnaires and measure oxygen saturation for five days before and after deep breathing exercises and chest physiotherapy. The data was collected by using simple random methods and analyzed by the application of a descriptive and inferential statistical data analysis approach.Results: The results showed for 30 patients there was significant improvement in oxygen saturation values after chest breathing exercises and deep breathing exercises from 82.3333 ± 2.78337 in first before intervention day to 93.5000 ±1.38340 in day five after chest breathing exercises and deep breathing exercises at P < 0.05. Also there were no significant statistical correlation between patient's age and their oxygen saturation after chest breathing exercises and deep breathing exercises at P ˃ 0.05.