Trachoma is a chronic infectious conjunctival keratitis caused by Chlamydia trachomatis infection. Patients infected with Chlamydia will have ocular symptoms, generally manifesting as photophobia, tearing, foreign body sensation, purulent discharge, etc. in the acute phase, and itchy, dry, burning eyes in the chronic phase. I. Common symptoms: 1. Progressive phase: the active phase, mainly manifested as lid conjunctival papillary hyperplasia and follicles at the same time, blurred conjunctival tissue in the upper dome, occurrence of corneal vascular opacification, patients feel photophobia, lacrimation, foreign body sensation, and more purulent discharge will appear; 2. Degenerative phase: since the conjunctival scar began to appear, developing to most of the conjunctival scarring, only a few active lesions exist, patients’ symptoms The patient’s symptoms are reduced, only itchy eyes, foreign body sensation, dryness and burning sensation, etc.; 3. Complete scarring stage: active lesions disappear completely, replaced by the performance of scarring. 2. Treatment: 1. Local medication: ursodiol eye drops, rifampin eye drops, sulfonamide eye ointment, etc. can be used for spotting or coating; 2. Systemic medication: rifampin, tetracycline, chrysomycin, erythromycin, etc. are commonly used, which have inhibitory effects on Chlamydia trachomatis; 3. Surgical treatment: when trachoma patients have inversion of the eyelid and impingement, inversion of impingement correction or electrolysis of the hair follicle can be used to treat impingement; patients with inversion of the eyelid Patients with entropion can undergo corresponding corrective surgery, etc. Chlamydia trachomatis, which usually causes trachoma, is present in the secretions of the affected eye, and any contact with this secretion can create an opportunity for transmission of trachoma infection. Therefore, we should strengthen education, cultivate good hygiene habits, do not rub the eyes with hands, wash towels and handkerchiefs regularly and dry them in the sun.