Four months baby eye boogers and yellow is bacterial conjunctivitis, nasolacrimal duct blockage, fire and other factors lead to the following: 1, bacterial conjunctivitis is a chronic disease of the eye area, mainly caused by staphylococcus aureus or metaplasma infection. Inflammation will cause irritation to the baby’s eyes, resulting in itchy foreign body sensation in both eyes, as well as sticky discharge, eyelid swelling and other manifestations.2, nasolacrimal duct obstruction is a common disease in infancy, mainly leading to infants with tearing or increased secretion, looks yellowish in color, you can take the child to the hospital pediatric nurse ophthalmology examination in a timely manner.3, if a small child appears to have increased yellowish eye droppings accompanied by reddish yellow urinary and dietary The amount of decline, mainly due to the fire caused, you can give the child to drink more water can accelerate the child’s metabolism, so that the child’s symptoms to reduce.