冬季，天气寒冷，气候干燥，昼夜温差大，气象要素变化剧烈。老年人由于脏器“老化”，功能衰退，因此对外界环境的变化适应性差，抵抗力弱，稍不注意，便会引起旧病复发，病情加重或增患新病。因此，要顺应自然，重视保健，防患于未然。一、防感冒。感冒是老年人冬季的常见病 Winter, cold weather, dry climate, large temperature difference between day and night, dramatic changes in meteorological elements. Due to organ aging, functional decline of the elderly, so poor adaptability to changes in the external environment, weak resistance, a little careless, it will lead to relapse of old disease, aggravate or increase new disease. Therefore, we must conform to nature, pay attention to health care, take preventive measures. First, prevent cold. Cold is a common winter disease in the elderly