Red bloodshot eyes may be caused by visual fatigue, glaucoma, inflammation of the eye surface and other reasons. 1. Visual fatigue: Prolonged close eye use, such as reading, watching TV, watching cell phones, etc., will lead to visual fatigue, which will lead to the phenomenon of red blood in the eyes, can be relieved by the method of hot compresses on the eyes before going to bed. 2. Glaucoma: acute attacks of glaucoma, due to increased intraocular pressure can also lead to conjunctival congestion, resulting in eye redness, accompanied by eye pain, vision loss and other symptoms, can be used under the guidance of a doctor, Tricholoma Rutinum Eye Drops, Bromoxynil Tartrate Eye Drops, etc. for treatment. 3. Inflammation of the eye surface: Conjunctivitis caused by bacterial infection, there will be conjunctival congestion, photophobia, tearing, foreign body sensation, loss of vision, increased secretion and other phenomena, thus causing redness in the eyes, you can follow the doctor’s instructions to use ofloxacin eye drops, tobramycin eye drops and other drugs for treatment. Red bloodshot eyes should go to the hospital as soon as possible to find out the cause of the disease, after diagnosis, actively cooperate with the doctor for treatment, daily life should pay attention to rest, reasonable use of eyes.