The most common therapeutic drugs involved were antitumor drugs and hormones. 36 kinds of single drug resulted in ADRs 316 times. The ADRs times of Ara C was the highest (138 times),the second was Prednisone.

• 引起ADRs的药物以抗肿瘤药最多，其次为激素类：引起ADRs的单种药共36种（316例次），其中阿糖胞苷居首（138例次），其次为强的松；