Scales are thin flakes of epidermal keratin layer that are about to be shed or have been shed. Its size, form, thickness, quantity and color vary, some are dry, some are greasy; most of them are secondary damages of skin diseases with erythema or papule damage (such as psoriasis, seborrheic dermatitis, pityriasis rosea). Scales bring significant physical and psychological pain to patients, so prevention should be the main focus and active treatment, so to prevent scales what should be noted in daily life? You can use saline or 3% boric acid solution to wash the lid margin daily to remove scales or scabs, or apply local antibiotics such as erythromycin or gentamycin eye ointment and massage for l to 2 minutes. The use of antibiotic eye drops must be maintained until the inflammation subsides for 2-3 weeks to avoid recurrence. Life considerations for patients with scaly blepharitis: 1. Do not rub the eyes. Patients with blepharitis often have a pustular bulge at the root of the eyelashes. When rubbing the eyes, the inflamed lid margin bleeds easily, the pustule breaks, and the eyelashes fall off. 2. Avoid staying up late and not getting enough sleep for a long time, which can trigger or aggravate the disease. 3. Quit smoking and drinking and eat less spicy and irritating food. Tobacco, alcohol and spicy stimulating food can cause damp heat to accumulate in the spleen and stomach, triggering or aggravating the disease. 4. Avoid mental stress. If you are under long-term mental stress, your nervous system and endocrine system will be disturbed and your immune function will be low, which can easily trigger blepharitis or aggravate the disease.