Generally there is no fundus congestion, conjunctival congestion is common, and its possible causes include conjunctivitis, keratitis and other ocular diseases, and other causes such as alcoholism and overuse of the eyes cannot be ruled out. 1. Conjunctivitis: Conjunctivitis is an inflammatory disease of the conjunctiva, under the stimulation of inflammation, it can lead to the patient’s eye foreign body sensation, increased secretion and other discomforts, but also the discomfort of conjunctival congestion, the patient can comply with the doctor’s instructions to use tobramycin drops and other medications to control inflammation and promote the recovery of the condition. 2. Keratitis: Keratitis is related to pathogenic microbial infections, which can lead to eye pain, tearing, vision loss, and may also cause conjunctival congestion, corneal clouding, etc. Patients can follow the doctor’s instructions to use tobramycin eye drops, levofloxacin eye drops and other medications, to promote the recovery of the condition and improve the symptoms of discomfort. 3. Other: alcoholism, excessive eye use, often stay up late and other factors of stimulation, can also lead to patients with conjunctival congestion, patients need to limit the consumption of alcohol, reasonable use of the eyes, maintain a good night’s sleep, in order to improve the discomfort of the eyes. It is recommended that patients with significant eye congestion should seek timely medical attention to assess their condition and follow the doctor’s instructions for treatment.