Baby balls that testicles, testicular surface is very red commonly due to eczema, orchitis, mosquito bites, etc., common treatment methods include daily care, topical ointment and so on. 1. Eczema: change diapers regularly, keep the baby’s lower body dry, each time to the baby before changing diapers must use warm water to wash the baby’s buttocks, you can wipe some emollient oil to keep wet. 2. testicular inflammation: baby buttock skin is tender, diaper replacement is not timely or baby obesity and other reasons lead to testicular redness, if testicular redness and swelling is serious, can be used externally weak hormonal ointment anti-inflammatory swelling, such as dinex cream. 3. Mosquito bites: baby eggs surface is very red and mosquito bites may be related to, and will be accompanied by more obvious itching symptoms, generally no special medication, more will be relieved on their own, pay attention to avoid the baby scratching with their hands. The above is the baby egg surface is very red commonly used methods, if there is no relief, timely to the hospital, the above medications are recommended to take under the guidance of a doctor, can not be used on their own.