The present invention relates to a method for treating a subject having a condition or disease involving apoptosis, which comprises administering an effective amount of albumin to the subject. The apoptosis inhibiting activity of albumin can be increased by administering a cell growth factor such as epidermal growth factor, transforming growth factor, fibroblast growth factor, hepatocyte growth factor, insulin-like growth factor, platelet-derived growth factor and nerve growth factor and/or vitamin A together with albumin.