Conjunctivitis is serious at night, may be because the daytime use of eyes too much, home at night contact with the environment has allergens, need to promptly follow the doctor’s instructions to take general measures, topical medication and other treatments to alleviate the need for surgical treatment, if necessary. 1. General measures: when suffering from conjunctivitis in the active treatment at the same time should pay attention to reasonable eye use, in order to enhance the resistance of the eye. For allergic conjunctivitis, attention should also be paid to stay away from allergens. 2. medication: usually bacterial conjunctivitis patients need to follow the doctor’s instructions to use antibiotic drugs such as tobramycin eye drops. If it is allergic conjunctivitis, you can follow the doctor’s instructions for local application of antiallergic drugs such as Olopatadine hydrochloride for treatment. 3. Surgery: For a small number of patients with conjunctival scarring, which may lead to adhesion of the eyeball and eyelid or eyelid deformation, timely surgical treatment is needed. It is recommended that patients with conjunctivitis should seek medical attention if the condition is serious at night and follow the doctor’s instructions for systematic treatment.