There may be no discomfort after the administration of Concinol New Crown Vaccine, or adverse reactions such as redness, swelling and pain at the site of vaccination, or fever, malaise, nausea, headache, muscle aches and rash may occur. Concinol New Crown Vaccine is an adenovirus-vectored New Crown Vaccine. The basic immunization is a 1-dose dose, which can stimulate the human immune system to produce antibodies, thus achieving the role of preventing New Crown Virus infections, and has a good safety profile. The vaccination may be asymptomatic, or there may be adverse reactions such as redness, swelling and pain at the site of vaccination, or fever, malaise, nausea, headache, muscle aches and rash. Vaccination should be contraindicated in patients who are allergic to vaccine components, or who suffer from uncontrolled neurological disorders and acute illnesses. After vaccination, the patient should be observed at the site for at least 30 minutes. In case of serious discomfort, the patient should inform the medical personnel in time, and the medical personnel will carry out targeted treatment. Water and strenuous exercise at the vaccination site should be avoided for a short period of time after vaccination, and a light diet and plenty of water should be consumed.