Eye congestion can be caused by infectious inflammation, dry eye, glaucoma, etc. and needs to be treated depending on the cause. Usually, antibiotic eye drops, artificial tears, lowering intraocular pressure and other drugs can be used for treatment. 1. Infectious inflammation: If the eyeball congestion is due to infectious inflammation, bacterial infections can be treated with antibiotic eye drops such as tobramycin and chloramphenicol eye drops as prescribed by the doctor. Viral infections can be treated with acyclovir, ganciclovir and other drugs as prescribed by the doctor. 2. Dry eye: If the eyeball congestion is caused by dry eye, you can follow the doctor’s instructions to choose artificial tears for treatment, such as sodium vitrate eye drops, polyvinyl alcohol eye drops and so on. 3. Glaucoma: If the eyeball congestion is caused by glaucoma, you can choose the eye pressure-lowering drugs such as Tricholoma nitrate eye drops, timolol maleate eye drops, carteolol hydrochloride eye drops for treatment. There are many causes of eye congestion, and when it fails to subside for a long time or is accompanied by eye pain and other discomforts, it is recommended to consult a doctor as soon as possible for examination and treatment. All medications should be used under the guidance of a doctor, do not self-medicate to avoid adverse consequences.