The paratesticular breast is a congenital developmental abnormality, and those without obvious symptoms can be vaccinated with the new crown vaccine. The paratesticular breasts are congenital developmental anomalies and can be left untreated if there are no obvious symptoms, but if they are combined with abnormal lumps or if there is a family history of breast cancer, they should be surgically removed. Like human breasts, the paratesticular breasts do not affect the vaccination with the new crown vaccine. The clear contraindications for the new crown vaccine include allergy to the vaccine, acute illness, severe uncontrolled central nervous system disease, and women during pregnancy. 1. Vaccine allergy: those who are allergic to the components of the vaccine or other inactive components of the vaccine, or those who have had severe allergic reactions to previous vaccinations. 2. Acute illness: such as acute fever, infectious diarrhea, etc. 3. Uncontrolled severe central nervous system diseases: such as epilepsy, demyelinating disease, etc. 4. Pregnant women: according to the relevant guidelines, women during pregnancy are contraindicated for vaccination.