1, people who are allergic to the vaccine, that is, they have allergic reactions before vaccination, such as laryngeal edema, dyspnea and acute allergic reactions after vaccination, so such people cannot be vaccinated with COVID-19 vaccine.

2, fever, acute disease, still having a fever, or being in an acute disease now, such as hospitalization, or seeing a doctor in an acute clinic. These people can't get COVID-19 vaccine for the time being.

3, acute attack of chronic diseases, generally chronic diseases, such as cardiovascular and cerebrovascular diseases, or three highs, or chronic lung. Recently, the condition is unstable, including angina pectoris, myocardial infarction, heart failure and lung infection. Or they are hospitalized again, and so on. These people can't get the COVID-19 vaccine for the time being. Inoculate after the condition is stable. But for the current stable three highs, cardiovascular and cerebrovascular diseases, lung diseases and so on can be vaccinated.

4, tumor patients, before and after surgery, or receiving radiotherapy and chemotherapy treatment, temporarily unable to vaccinate. Inoculate after the condition is stable.

5. Pregnant women cannot be vaccinated.

6. The author suffers from recurrent epilepsy or serious nervous system diseases, such as transverse myelitis, various scar syndromes and demyelinating diseases. Can't be vaccinated.