Inflammation, redness and swelling of the lower eyelids of patients may be related to blepharitis, eye allergy, acute dacryocystitis and so on. 1. Blepharitis: blepharitis, also known as granuloma, is often caused by staphylococcus and other bacterial infections, and patients may experience symptoms such as eyelid redness, swelling, heat, hardness and pressure pain. 2. Eye allergy: allergic patients exposed to certain allergens such as pollen, hair, etc., eye allergic reactions, patients may also appear red, swollen, itchy eyes and other discomforts, can also be accompanied by photophobia, tearing and other discomforts. 3. Acute dacryocystitis: Acute dacryocystitis patients because of bacterial infection leads to acute inflammation of the lacrimal sac area, patients may manifest as redness, swelling, pain, and may also form local abscesses, which can be discharged with pus after rupture. It is recommended that patients with inflammation of the eyelids, redness and swelling of the eyelids to consult a doctor in a timely manner to assess the condition and follow the doctor’s instructions for treatment.