The most common causes of eye boogers in hot weather are hypersecretion of the glands and infectious diseases of the eyes. 1. Excessive secretion of the glabellar glands: When it is hot, the glabellar glands will secrete a lot of secretion, and the hot climate will make the water in the secretion evaporate quickly, and the secretion will dry up in the corners of the eyes to form eye droppings. 2. Eye infectious diseases: hot weather is conducive to bacterial growth, if towels, pillowcases and other daily necessities are not cleaned in a timely manner, or frequent hand rubbing the eyes, causing conjunctivitis, keratitis, blepharitis and other infectious diseases of the eyes the chances of greatly increased. Once the eye infection occurs, under the stimulation of inflammatory factors, eye boogers may come out. In the case of eye droppings accompanied by obvious discomfort in hot weather, it is recommended to go to a regular hospital in time to identify the cause of the disease and actively cooperate with the professional doctor’s treatment.