Red bloodshot eyes may be caused by overuse of the eyes, entry of foreign bodies into the eyes, and allergic conjunctivitis. It can be removed by hot compresses, removing foreign objects, eye drops and other methods. 1. Excessive eye use: If the redness of the eyes is caused by staying up late and excessive eye use. You can improve the symptoms of visual fatigue, relieve the fatigue of the eyes, such as rest with eyes closed, hot compresses on the eyes, can effectively relax the eye muscles at the same time, will also improve the symptoms of redness. 2. The eye into the foreign body: if there is a foreign body into the eye, will stimulate the eye drastically occurring red blood intensive phenomenon, it is imperative to take out the foreign body clean, red blood may be removed. 3. Allergic conjunctivitis: If allergic conjunctivitis leads to eye redness, you can follow the doctor’s instructions through the treatment of anti-allergic eye drops, such as sodium cromoglycate eye drops. If the redness of the eyes is particularly serious or accompanied by other uncomfortable symptoms, you should go to the regular hospital in time to find out the cause of the disease, under the guidance of professional doctors to take targeted measures.