After factor analysis on financial data of China life insurance corporation, a three-level BP neural network model has been made to research and train its solvency, and evaluation has been gained.

• 在对中国人寿保险公司（国寿公司）财务比率数据进行因子分析后，用一个三层BP神经网络模型对偿付能力进行学习、训练，再利用训练好的模型进行检测评价，发现国寿公司偿付能力相对下降。