一、无菌水溶液。在100毫升凉开水中加入约2毫升纯酒精和2克食糖调匀。将菊花、樱花、香石竹等花枝插入溶液中,深度3～4厘米,每隔2天更换1次溶液。二、营养保鲜剂。在1升凉开水中放入40～50克蔗糖、0.15～0.2克硼酸 First, sterile water solution. In 100 ml of cold water add about 2 ml of pure alcohol and 2 grams of sugar and mix thoroughly. The chrysanthemum, cherry, carnation and other flowering branches into the solution, the depth of 3 to 4 cm, 1 replacement solution every 2 days. Second, nutrition preservatives. Add 40 to 50 grams of sucrose and 0.15 to 0.2 grams of boric acid in 1 liter of cold boiled water