Three-year-old baby eye boogers, yellow and sticky, may be due to pediatric conjunctivitis, fire, etc., the specific reasons are as follows: 1, pediatric conjunctivitis: eye boogers, yellow, sticky, accompanied by foreign body sensation in the eyes, burning sensation, eyelid heaviness, conjunctival congestion, photophobia, tearing, etc., if allergic to the body, will also be accompanied by sneezing, runny nose, itchy throat, love to rub the eyes, etc. Parents should immediately take the baby to the hospital eye clinic, so as not to delay the development of the visual system. 2, fire: in addition to decreased appetite, mouth odor, affecting the development of the visual system. Parents should immediately take the baby to the hospital ophthalmology diagnosis and treatment, so as not to delay the condition and affect the development of the visual system. 2, fire: in addition to eye boogers, yellow, sticky, but also accompanied by a decrease in appetite, bad taste in the mouth, hot hands and feet, red lips, bloating, constipation and other symptoms. It is recommended that parents usually give the baby a small number of times to drink some warm water to promote the excretion of body heat. Diet can eat some clear heat to remove fire food, such as mung bean porridge, lotus seed porridge, etc., to improve the symptoms of fire.