Frequent eyelid swelling may be related to physiological factors, allergic conjunctivitis, kidney disease and so on. 1. Physiological factors: if the patient cries or drinks too much water before going to bed, the patient is prone to eyelid edema, which usually does not need special treatment and can be relieved after rest. 2. Allergic conjunctivitis: patients with allergies are allergic to pollen, dust mites, dust and other allergens, and they may develop allergic conjunctivitis, which results in eyelid swelling. 3. Kidney disease: patients with kidney disease such as nephrotic syndrome, because of renal dysfunction, fluid retention, patients may have eyelid edema, may also be accompanied by lower limb edema and other symptoms. It is recommended that patients with significant eyelid swelling should consult a doctor in time to assess their condition and follow the doctor’s instructions for treatment.