There are many hazards of excessive tearing, such as inducing glaucoma, eye inflammation, affecting vision, and so on. 1. Induced glaucoma: excessive tearing may be caused by emotional factors, if the patient’s long-term tearing, poor mood, may induce glaucoma attacks, which may cause the patient headache, increased intraocular pressure, vision loss and other uncomfortable symptoms. 2. Eye inflammation: long-term tearing patients may be due to long-term accumulation of tears in the eye, easy to secondary infection, resulting in patients with eye inflammation disease. 3. Impact on vision: most of the tears flow due to emotional changes, long-term emotional upset will lead to changes in the general state, blood pressure fluctuations, which may cause changes in the fundus vascular changes in the long term, affecting the vision, leading to patients with vision loss. It is recommended that patients with frequent tearing and ocular discomfort should consult a doctor in a timely manner to assess their condition and follow the doctor’s instructions for treatment.