近年来笔者应用V-K_1治疗喘息性支气管炎20例,疗效显著。查体:全部患儿双肺满布哮鸣音。用药方法:20例投予V-K_1及皮质激素;另10例单独用皮质激素作对照组。V-K_1用量,2岁以内20mg/日,2～6岁30mg/日,7～12岁40～50mg/日,均稀释在10％葡萄糖液100ml中 In recent years, I applied V-K_1 treatment of asthmatic bronchitis in 20 cases, a significant effect. Physical examination: all children covered with wheezing lungs. Medication Methods: 20 cases of V-K_1 and corticosteroid administration; the other 10 cases of corticosteroids alone as a control group. V-K_1 dosage, 20mg / day within 2 years of age, 30mg / day of 2 to 6 years old, 40 ~ 50mg / day of 7 to 12 years, were diluted in 100ml of 10% glucose solution