It is understandable that mothers want to raise their children with the utmost maternal love from the requirements of eugenic parenting, but my personal opinion is negative. I am an infectious disease doctor, and I stand by my opinion. The presence of hepatitis B virus in breast milk is a fact, and how to reduce the infection to the baby is our main goal. If you had a bowl of overnight soup at home and some expert said that the chance of contamination by Bacillus XX was only 30%, would you drink it? I wouldn’t drink it even if it was only 10%, I’m afraid of diarrhea. The percentage is only an afterthought, no matter if it is “big three yang” or “small three yang”, for the baby’s tender gastrointestinal tract, as long as there is contact with the hepatitis B virus, there is the possibility of infection, and is fed every day, fed for ten months. Are you comfortable with your child growing up in an environment where the risk of hepatitis B infection is extremely high? Therefore, I insist on my personal opinion: Hepatitis B positive mothers better give up breastfeeding, the embodiment of maternal love does not lie in this short year of breastfeeding.