Swollen eyes in the morning may be caused by physiological factors or heart failure, malnutrition, etc. Patients can be treated by medication, improving work and rest, etc., to promote the swelling of the eyelids to subside. If patients drink a lot of water before going to bed the night before, stay up late or cry, the next morning patients may have puffy eyes, this kind of puffy eyes is mostly physiological eye swelling, usually without special treatment, patients can adjust their work and rest, cold compresses on the eyes, etc., to promote the recovery of the condition. If the patient has cardiac insufficiency or even heart failure, the venous blood return to the heart is blocked, causing the venous blood to stagnate in the tissue space, which leads to the patient’s puffy eyes. Patients can be treated with diuretics such as furosemide to promote the swelling of the eyes to subside. If the patient has malnutrition, also can appear eye swelling symptoms, the patient can increase the intake of animal protein, plant protein and fresh vegetables, supplemental nutrition, promote eye swelling subside. It is recommended that patients with significant eye swelling seek medical attention to evaluate their condition and follow the doctor’s instructions for treatment.