轮状病毒胃肠炎是小儿常见的一种肠道传染病，多发生于秋冬季，以发热、呕吐、腹泻为主要特点。程燕教授认为轮状病毒肠炎发病内因为小儿脾胃娇嫩，暑湿邪气内伏，诱因为外感秋冬时令风燥、风寒邪气。其病机关键为表里同病，暑湿困脾，即感受时令之邪，触发机体内伏之暑湿邪气而发病。治疗当表里同治，辛散淡渗，分消走泄，给邪出路，同时注意顾护阴液，谨防变证发生。临证中自拟藿佩竹茹汤以解表散寒、化湿和中，治疗轮状病毒肠炎疗效显著。

Rotavirus gastroenteritis is a common intestinal infectious disease in children. It mostly occurs in autumn and winter and is mainly characterized by fever, vomiting and diarrhea.Professor Cheng Yan believes that the summer-heat and dampness is easily trapped inside because of children′s tender spleen and stomach, and rotavirus enteritis is therefore caused if it is induced by the exogenous wind dryness and wind chill in autumn and winter.The key pathogenesis of the disease is that the superficies and interior syndromes showed at the same time since summer-heat and dampness trapped in spleen was triggered by bad weather.The treatment rules should follow that Biaoli Tongzhi, Xinsan Danshen and Fenxiao Zouxie. At the same time, pay attention to protecting Yin fluid to prevent the occurrence of deteriorated cases. The clinical effect of Huopei Zhuru Tang is remarkable.