Babies with very red eyes may be associated with bacterial conjunctivitis, neonatal lacrimal sac infection, trachoma and other diseases. 1. Bacterial conjunctivitis: when a newborn is delivered from the birth canal of a mother with gonococcal vaginitis, he or she can be infected with bacteria from the birth canal of the mother and develop superb bacterial conjunctivitis, in which the conjunctiva may be congested and edematous, and therefore the eyes may be red. 2. Neonatal dacryocystitis: when the neonate has narrowed or obstructed tear ducts, the patient may have tear overflow, if the tear sac secondary infection, mucopurulent secretion, forming neonatal dacryocystitis, the child may have conjunctival congestion, tearing, and the skin in the lacrimal sac area may be swollen and congested. 3. Trachoma: trachoma is a chronic infectious conjunctival keratitis caused by Chlamydia trachomatis, young children suffering from trachoma, the symptoms of trachoma are hidden, can be relieved on their own, but there can be itching, conjunctival congestion, photophobia and tearing and other manifestations. It is recommended that children with obvious bloodshot eyes should seek prompt medical attention to assess their condition and follow the doctor’s instructions for treatment.