Always tearing at the outer corner of the eye may be a group of symptoms, more common allergic conjunctivitis when or spring kata conjunctivitis, belongs to the category of allergic conjunctivitis, some clear similar to tear discharge, accompanied by eye itching, swelling of the corners of the eyes and other symptoms. If it is determined to be allergic, clinically there are actually so many more effective medications, like Patanol, Olopatadine Hydrochloride, and Azelastine. If the symptoms are more obvious, you can even assist hormone drugs, the effect is still quite obvious. Some of the more severe allergic inflammation, in addition to local medication can be used in addition to anti-allergy drugs, such as loratadine, montelukast sodium, the trade name of Shunrnin, Pinky, some patients directly with loratadine, if more serious may need to use immunosuppressants. A small symptom may be involved in a more complex problem, specific problems are analyzed, through the symptoms of the trail to clearly diagnose what exactly belongs to the category, to do targeted treatment. If tearing occurs under special circumstances, such as using the eyes for a long time, more fatigue or tears in the wind, tears under bright light or tears after playing the cell phone, it is a more common eye disease, video terminal syndrome caused by dry eye. Usually eye fatigue or long-term eye use leads to changes in the local microenvironment of the eye, is the decline in functionality leading to symptoms, dryness, tearing, it is best to go to the hospital for dry eye symptoms rating, is caused by the lack of tears or transient less, evaporation caused by the strong, to take the artificial tear supplementation, blepharospasmal gland massage, auxiliary physiotherapy. In conclusion, it is important to try to have good eye habits to minimize the occurrence of functional decline.