Conjunctival congestion can be considered to be caused by eye fatigue due to excessive use of the eyes, but also may be caused by bacterial conjunctivitis, glaucoma and other causes, conjunctivitis can be used antibiotics, glaucoma can be used to betaxolol and other drugs. 1. Eyestrain: long time use of the eyes, the eyes do not get rest, there can be conjunctival congestion, this situation can be relieved after rest, if necessary, can also be applied under the guidance of the doctor, such as seven leaves of digitalis bisabolol eye drops and other drugs. 2. Bacterial conjunctivitis: Bacterial conjunctivitis usually refers to bacterial infectious diseases occurring in the conjunctiva, there may be symptoms such as conjunctival congestion, eye burning, etc., and can be treated with drugs such as levofloxacin under the guidance of a doctor. 3. Glaucoma: Glaucoma with elevated intraocular pressure, acute attacks, there may be eye swelling, conjunctival congestion and other symptoms, can be prescribed by the use of betaxolol, timolol and other drugs to treat. Conjunctival congestion may also be caused by other reasons, and if it cannot be relieved by rest, it should be promptly consulted and actively diagnosed and treated. The above medications should be used under the guidance of a doctor and should be avoided blindly.