Baby’s swollen lips may be caused by bacterial infection, allergies or insect bites, fire, such as in the process of playing with toys, accidentally knocked the lips, adults did not promptly care for the infection, so that the baby’s mouth swollen. There is also the usual mother in the food when consuming the baby allergic to things, the baby drink milk to make its mouth swollen, then you need to go to the hospital to check the source of allergies after the right medicine. Especially in the summer when there are more mosquitoes, the baby was bitten by mosquitoes to form a swollen bag, is also one of the reasons for the baby’s swollen lips, there are some babies do not love to drink water, do not love to eat vegetables, fruits and vegetables, triggering the formation of fire and swollen bags, this time do not give the baby eat spicy, cold food, usually pay attention to oral hygiene.