普通感冒是一种常见病、多发病,在所有急性病中占三分之一左右。据调查平均每人每年要得三、四次感冒,儿童的发病次数还要多。感冒是学生缺课、职工缺勤、劳动力暂时丧失的重要原因之一。 1977年以来,作者采用色甘酸二钠(以下简称色甘)防治感冒。先是在家庭内外小范围试用,不下三、四十人次,屡试不爽,效果显著。其后于1978年10～12月,在徐州硬质合金刀具厂工人中,采用单一色甘疗法治疗普通感冒急性卡他期患者40例,疗效十分满意。1979年9～10月,又在徐州硬质合金刀具厂及徐州有线电 The common cold is a common disease, frequently-occurring disease, accounting for about one-third of all acute diseases. According to the survey, each person receives three or four flu each year, and the incidence of children is even higher. Cold is one of the important reasons why students are absent from school, employees are absent, and labor force is temporarily lost. Since 1977, the authors used cromolyn disodium (hereinafter referred to as Gan Gan) to prevent and treat colds. First small-scale trial at home and abroad, no less than three or 40 person-time, time-tested, the effect is remarkable. Subsequently, from October to December 1978, among the workers of the carbide cutting tool factory in Xuzhou, 40 patients with acute common catarrhal catarrhal were treated with a single color of Gan therapy. The curative effect was very satisfactory. September to October 1979, and in Xuzhou carbide cutting tools and Xuzhou cable