Background: Psychiatric comorbidities are prevalent in patients with chronic respiratory diseases. But, there is no clear evidence comparing asthma and COPD. The aim of the present study was to investigate and compare the emotional status of patients with asthma and COPD Methods: The study included 132 consecutive patients who were diagnosed with asthma (n=78) and COPD (n=54) who did not receive therapy for pshiciatric disorders. Emotional status were evaluated using the Beck and Hamilton surveys. Results: There was significant difference between patients asthma an COPD in terms of anxiety and depression level. The patients with COPD achieved significantly worse scores in emotional status. Anxiety and depression was significantly greater in patients with uncontrolled asthma. But, there was no significant correlation between GOLD stages and spirometric values and emotional disorders in COPD patients. Conclusions: It was concluded that anxiety and depression are prevalent in patients with COPD and particularly uncontrolled asthma, and patients with such chronic diseases; psychosocial support may be helpful, alongside the treatment of existing disease.