Determining baby’s bloating is mainly done by looking directly at the baby, touching the baby and observing the baby’s symptoms. 1. direct viewing: the naked eye can be used to directly watch the baby’s stomach, if the baby’s stomach bloating, there will often be obvious bloating, the stomach will bulge, and because the baby’s skin is relatively thin, there may be a bright skin. 2. Touch: parents can use their hands to touch the baby’s stomach, if the baby’s stomach is soft to the touch can be pressed down, that is normal, but if the touch is more hard, may be the manifestation of flatulence. 3. Observe the baby’s symptoms: If the baby’s stomach is bloated, it will often appear uncomfortable symptoms, resulting in the baby’s sleep is not solid, often farting, hiccups. Baby’s flatulence should be handled in a timely manner to avoid discomfort for the baby, and if necessary, the baby needs to go to the hospital.