Blepharitis is categorized into ulcerative blepharitis, scaly blepharitis and canthal blepharitis, which are mainly treated with saline and antibiotics, and need to follow the doctor’s prescription for medication. 1. Scaly blepharitis: chronic inflammation caused by sebum overflow stimulation of the eyelid margin, the treatment needs to remove the stimulating factors, saline can be used to clean the eyelid margin, combined with bacterial infections can be used to levofloxacin eye drops and other drugs to fight infection. 2. Ulcerative blepharitis: purulent inflammation of the eyelash follicles and their glands, commonly caused by Staphylococcus aureus infection, the treatment needs to improve the bacterial culture and drug sensitivity test, select sensitive antibiotics, such as the use of tobramycin eye drops, levofloxacin eye drops, etc., auxiliary use of saline to clean the eyelid margins and so on. 3. Canthus blepharitis: mainly occurs in the outer canthus of the eyelid margin, inflammation, can use compound zinc sulfate eye drops treatment. The presence of blepharitis, should be under the guidance of the doctor to specify the type, comprehensive treatment, follow the doctor’s instructions for medication, so as not to delay the condition.