The yellow and sticky eye boogers of 2-month-old babies may be caused by environmental factors, conjunctivitis or dacryocystitis. 1. Environmental factors: 2-month-old babies are in a dry environment, if not timely replenishment of water, will lead to dehydration, easy to cause yellow eye boogers and sticky symptoms. 2. Conjunctivitis: When 2-month-old baby’s eyes are infected by bacteria, it can cause irritation to the eyes and lead to conjunctivitis. After being repeatedly stimulated by inflammation, the secretion from the eyes will increase abnormally and may be accompanied by sticky symptoms. 3. Dacryocystitis: 2 month old babies with congenital tear duct developmental disorders, will lead to tears and tear duct secretions, can not be discharged out of the body, which can lead to secondary infections in the area, causing yellow eye boogers and sticky symptoms. 2-month-old babies with yellow and sticky eye boogers may also be caused by inverted eyelashes, etc., and should go to the hospital in time to receive treatment.