Hot weather eye droppings may be caused by physiological factors, dacryocystitis, conjunctivitis and so on. 1. Physiological factors: When the environment is hot, the tears and secretions of the eyes evaporate more easily, and sticky secretions are formed at the corners of the eyes, usually with no obvious symptoms. 2. Dacryocystitis: mainly caused by the blockage or narrowing of the nasolacrimal duct, or the patient’s nose and eye infections, systemic infections, etc., resulting in patients in hot weather conditions, often overflow of tears, the tear duct area will be swollen, with pressure and pain. 3. Conjunctivitis: microbial infections, external stimuli, etc., will lead to the patient in the heat of the weather in the case of eye boogers, mainly manifested in the fear of light tearing, eye foreign body sensation and other symptoms. If the patient’s eye discharge continues to be more, or accompanied by symptoms of eye discomfort, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, and then follow the doctor’s instructions for treatment.