Baby egg redness refers to the redness of the surface of the scrotum, which may be caused by diaper rash, orchitis and other reasons. 1. diaper rash: it is possible that babies wear diapers or other clothing for a long time, so that the local skin is in a hot and humid environment for a long time, the bacterial decomposition of diaper fluid produces ammonia-like substances on the skin surface caused by irritation, resulting in redness of the scrotal skin. 2. testicular inflammation: baby physique itself is relatively weak, suffers from mumps spread infection, testicular trauma without timely treatment, etc. can cause testicular inflammation, thus appearing scrotal skin redness and often accompanied by high fever, testicular pain, swelling. If you find that your baby’s testicles are red, you should analyze the symptoms. It is recommended that patients go to the hospital to identify the cause of the disease, and after diagnosis under the guidance of the doctor treatment.