There are over 565 million people infected with COVID-19 and 6 million deaths in the world. All patients infected COVID-19 may experience post COVID-19 conditions. Conditions after COVID-19 infection have wide range symptoms lasting for 12 weeks or more. Most prevalent neurological and psychiatric symptoms were fatigue, cognitive dysfunction, depressive symptoms, and sleep disturbance. And patients with post COVID-19 conditions have an impairment of health-related quality of life. However, there is no specific treatment for this condition. At the conference, we will present the treatment of cognitive dysfunction and depressive symptoms in the patients with post COVID-19 conditions.