Abstract: Hypertensive disorder complicating pregnancy (HDCP) is a particular disease in the pregnancy. With risk factors appear, such as the fast pace of life, mental stress, the increasing of the elderly primipara, the number of women with HDCP tends to have increased gradually. At present, there are a lot researches about the risk factors of HDCP. In this article, we make variable selection for the risk factors based the double logistic regression models and give a method about forecasting at last.