Blepharitis, also known as blepharitis, is generally not a serious condition and is a localized inflammatory disease of the eye, but if the patient does not receive timely treatment, it may lead to continued progression of the disease and even threaten life. Blepharitis is usually an acute purulent inflammatory lesion of the eyelid glands caused by a bacterial infection such as Staphylococcus aureus, and patients may experience redness, swelling, pain, and other uncomfortable symptoms in the eyelids. Because blepharitis is a localized inflammatory disease of the eyelid, it is generally not a serious disease, and patients can use levofloxacin eye drops, erythromycin ophthalmic ointment and other medications under the guidance of a doctor for treatment. When blepharitis patients are not treated in time, it may lead to continuous development of the condition and spread of infection, resulting in inflammatory diseases such as orbital cellulitis and cavernous sinusitis, or even life-threatening. It is recommended that blepharitis patients seek prompt medical attention to evaluate their condition and follow medical advice.