Pain in the bridge of the nose below the inner corner of the patient’s eye can be caused by dacryocystitis, ocular trauma, or due to localized folliculitis. The inner corner of the eye is the area where the lacrimal sac is located, the lacrimal sac belongs to one of the important components of the lacrimal canal, together with the lacrimal punctum, the lacrimal duct, the common lacrimal duct, nasolacrimal duct, is responsible for the drainage of excess tears in the eye into the nasal cavity, and then absorbed by the nasal mucosa. Inflammation of the lacrimal sac can lead to significant pain in the inner corner of the eye, often accompanied by tearing and other discomfort. Infection of the localized skin at the inner corner of the eye can also lead to folliculitis, which can also cause significant pain. In addition, patients with eye trauma, such as the inner corner of the eye was hit by external forces, can also appear pain, redness and swelling and other symptoms of discomfort. It is recommended that patients with significant pain in the inner corner of the eye should seek medical attention to evaluate their condition and follow the doctor’s instructions for treatment.