Five-year-old babies love to touch their own genitals may be because of curiosity, genital itching and so on. 1. Curious: five-year-old babies are in a time of intense curiosity, full of curiosity about anything, including their own body parts. The genitals are right in the baby’s visible position, and in appearance there is a big difference with other body parts, so it will cause the baby’s attention, resulting in the baby love to touch their genitals. 2. Itchy genital organs: If the genital organs of five-year-old babies are mosquito bites, bacterial or fungal infections, resulting in localized skin itching, the baby will always scratch the genital organs. Parents do not know the situation, mistakenly think that the baby is always touching the genital organs. If a five-year-old baby loves to touch his genitals, take the baby to the hospital in time to seek medical treatment, by a professional doctor to find out the cause of the disease and then targeted treatment.