The establishment of natural resource asset reserve institution is the core grip to realize the unified planning, storage, supply, development and protection of natural resource assets, which is the important creation of the natural resource management institution with Chinese characteristics. Based on Marxist reserve theory, the logic and practical path of natural resource asset reserve institution are explored from the perspective of capital circulation. The main conclusions are as follows: (1) The reserve of natural resource assets occurs during the 'stagnant' phase of different capital forms replacement, and it is a key intermediary for promoting the capitalization of natural resources. Its core connotations include public goods characteristics, government leadership, and value appreciation. (2) The reserve institution covers three basic steps of reserving, managing, and supplying, the core logic of which lies in achieving sustainable accumulation and circulation of capital, with clear property rights, holistic governance, and value realization as the main tasks. (3) The establishment of natural resource asset reserve institution has five key steps in practice, including planning-led approach, centralized storage, systematic governance, efficient allocation, and coordinated funding. In the future, the institution should be gradually advanced through pilot programs to further enhance its framework.