我國保險法規定，保險業投資不動產上限為可運用資金之30%；但單一不動產交易金額則以各保險公司淨值為基礎，不得超過淨值35%。近年我國保險業與主管機關研議是否廢除資金運用比例之限制，以期使保險業界得以享有更多的資金運用自主權。本文主要研究日本對於人壽保險業資金運用規範之相關監理措施，藉由比較制度的觀點，對我國保險業資金運用，特別是不動產監理措施提供若干參考方向。

According to Taiwan's insurance regulations, insurance companies may invest up to 30% of investment asset in real estate; however, a single real estate transaction may not exceed 35% of the insurance company's net worth. In recent years, Taiwan's insurance industry and relevant authority have discussed whether to discard the restriction on the capital utilization ratio in order to give insurance companies more autonomy in investment portfolio. This study investigated Japan's supervision measures regarding investment portfolio of insurance company in real estate investments. Comparison of mechanisms can to provide a reference for similar measures on investment portfolio in Taiwan.