Baby touching the private part may be a symptom of discomfort in the private part, such as too tight underwear, inflammation in the private part, mosquito bites and so on. 1. Panties too tight: baby wearing panties too tight, will affect the baby’s activities, will produce uncomfortable feeling, the baby may use their hands to touch the private part. 2. Inflammation in the private part: if the baby is infected with urethritis or suffers from diaper rash, causing discomfort, the baby can relieve the discomfort by touching the private part. 3. mosquito bites: baby’s private parts if exposed outside, may be mosquito bites, resulting in private itching symptoms, the baby may go to touch. Baby touching the private part may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor’s treatment.