1, first of all, should be long-term follow-up outpatient, generally six months after surgery can remove the tube; 2, 1 week after surgery, the symptoms of lacrimation and pus will not significantly improve, and even due to surgical stimulation of lacrimation symptoms will aggravate, this is a normal phenomenon after surgery, generally do not worry; 3, after surgery, the inner corner of the eye may appear red, increased secretions and irritation symptoms, generally disappeared within 1-2 weeks; 4, at the same time should also avoid the inner corner of the silicone tube If a small amount of the silicone tube can be pulled out by itself, you can use a cotton swab to gently push back to the inner corner of the eye, if more can be pulled out and reset by yourself, you can use adhesive tape to fix the silicone tube at the bridge of the nose and go to the hospital during the day, or go to the ear, nose and throat department of the local hospital to pull the silicone tube back to the nasal cavity from the nasal cavity, do not pull out the silicone tube from the corner of the eye, and do not cut the silicone tube by yourself, otherwise it is easy to form a foreign body in the tear sac, or the purulent 5, the silicone tube in the nasal cavity may come out of the nose after blowing the nose or sneezing, do not panic, gently push back to the nasal cavity; 6, daily morning, before going to bed at night and before dropping eye drops to compress the tear sac area (the skin below the inner corner of the eye), appropriate force, the tear sac may have secretions squeezed out before dropping eye drops; 7, after taking the tube, if there is still tearing phenomenon should be done “Shut up – pinch nose – light breathing” action, 3 groups per day, 10 times per group, to promote the flow of tears into the nasal cavity; 8, every day remember to practice forceful eye closure to increase the role of the orbicularis oculi muscle squeeze tears, to promote tears into the nasal cavity; 9, when blowing the nose to press the skin below the inner corner of the eye with a finger to prevent airflow upward and tears and snot backflow; 10, avoid sewage (wash the skin below the eye). 10.Avoid sewage into the eyes (wash water, rainwater, etc. should be avoided); 11.Avoid eating seafood, mutton and other irritating and spicy foods within 6 months; 12.Visit the doctor promptly for changes, and bring medical records and CT films to the outpatient follow-up.