The symptoms of inflammation of the nasolacrimal ducts are mostly caused by obstruction and include the following: 1. tearing, which is a common and typical symptom, patients show repeated tearing. 2. some patients can develop ocular congestion, clinically manifested as conjunctival congestion or corneal congestion, etc. 3. patients with serious obstruction of the nasolacrimal ducts, accompanied by local inflammatory infection of the tear sac, when there is bacterial infection can be manifested as ocular The patient’s mucus cyst is formed locally if the onset of the disease is longer, and a lump can be felt under the skin as a manifestation of the cyst. In short, for patients with inflammation of the nasolacrimal duct, the early stage is mainly for drug treatment as well as tear duct and tear duct flushing treatment, long-term conservative treatment is ineffective, the clinical may need to be surgical treatment.