小儿感冒是小儿肺系疾患中最常见的疾病,其发生的原因,以感受风邪为主,常兼寒、热、暑、湿、燥等邪气,亦有感受时邪疫毒所致者。在气候变化,冷热失常,沐浴着凉,调护不当时容易发生本病。当小儿正气不足、机体抵抗力低下时,外邪易于乘虚侵入而成感冒,如《幼科释谜·感冒》所说:“感冒之原,由卫气虚,元府不闭,腠理常疏,虚邪贼风,卫阳受摅。” Infantile cold is the most common childhood lung disease disorders, the reasons for its occurrence, to feel the wind-based, often cold, heat, heat, humidity, dry and other evil, but also feel when caused by the epidemic poison. In the climate change, cold and heat disorders, bathing with cold, improper protection prone to the disease. When children lack of righteousness, the body’s resistance is low, the evils are easy to take advantage of virtual invasion of a cold, as described in the words of the “juvenile acquaintance”: “The original cold, by the Wei Qi, Yuan Fu not closed, Sparse, imaginary evil thief wind, Wei Yang by 摅. ”