Puffy limbs in the elderly belong to the category of “edema” in Chinese medicine. Edema can be characterized by wind and water (sudden edema of the head, face and limbs), dampness and toxin invasion, and spleen and yang deficiency (deficiency of yang qi in the spleen), etc. Specific prescriptions and medicines should be confirmed after the identification of the disease. Edema is a disease characterized by the retention of water in the body, flooding the skin, and swelling of the head, face, eyelids, limbs, and even the whole body. The basic pathological changes of this disease are the loss of ventilation and regulation of the lungs, the loss of transmittal of the spleen, the loss of opening and closing of the kidneys, and the unfavorable qiization of the triple jiao. The common clinical patterns include wind and water combat pattern, dampness and poison invasion pattern, water and dampness impregnation pattern, dampness and heat congestion pattern (dampness and heat evil qi is too prevalent and stagnant in the body) pattern, spleen yang deficiency pattern, kidney yang weakening pattern, and stasis and water intertwining pattern, and the different patterns should be treated with different formulas. If the elderly have symptoms of swollen limbs, it is recommended to go to the hospital in time to clarify the cause of the disease and use medication under the guidance of the doctor’s diagnosis, do not use your own medication, so as not to delay the condition.