Poor mental health after receiving the New Crown Vaccine may be an adverse reaction triggered by the vaccination, which usually subsides in a few days, or it may be due to a disease. After vaccination, due to the different physical qualities of each vaccinated person, some people may experience fatigue, mental weakness, drowsiness, etc. after vaccination. These are usually normal adverse reactions to the New Crown Vaccine and can be relieved or subside within 72 hours. You should pay attention to rest and ensure sufficient sleep, which is conducive to the recovery of the body. If the symptoms are not relieved or worsened for a long period of time, such as more than 3 days after vaccination, other diseases, such as influenza, can not be ruled out, and it is recommended to go to the hospital for examination.