The tot was born to farmer dad Li Jun, 30, and his unnamed wife, who live in Hejian city in central China's Henan province.
But he was rushed to Tianjin Childrens' Hospital on May 27 for surgery to remove his extra manhood.
The rare condition, the first for Tianjin Childrens' Hospital, is called fetus in fetu (FIF).
Doctors, who spent over three hours removing the extra penis on June 6, said he was fine following surgery.