It is normal to have eye droppings all the time, but if there is too much eye droppings, it is considered to be caused by diseases such as granuloma and conjunctivitis. 1. Normal situation: eye droppings are eyelid secretions, there will be a small amount of secretion under normal circumstances, the external environment can also lead to more eye droppings, such as dust, bright light and so on. If the eye hygiene is poor or long-term stay up late, will lead to increased secretion of the eyes, out of the eyes always have eye boogers. 2. Erythroderma: Erythroderma is an acute purulent inflammatory lesion that occurs in the eyelid glands, mainly caused by staphylococcal infections, and localized symptoms such as redness, swelling, heat and pain will occur. Due to the inflammation stimulation, the eye secretion will increase, thus appearing eye always have eye boogers. 3. Conjunctivitis: Conjunctivitis is an inflammatory disease that occurs in the conjunctival tissue, the causes include infection, immunopathology and external stimuli, etc. Patients will have symptoms such as redness and swelling of the eyes, itching of the eyes, and increase in secretion, which will cause the eyes to always have eye droppings. Normal people will have eye droppings every day, but if the quantity is large or the localized symptoms are abnormal, it is considered to be caused by diseases. It is recommended to go to the hospital in time when there is a large amount of eye droppings, so as not to miss the condition.