The term "cultivated land protection" usually refers to the abbreviation of "cultivated land protection". Cultivated land protection is one of the national policies determined by the state according to the present situation of China's population and cultivated land resources and the needs of national economic development. Land management laws and regulations clearly stipulate the purpose, objectives, principles, methods, ways and so on of farmland protection, that is, to implement the strictest farmland protection system by adopting legal, economic, administrative and technical means, strictly observe the red line of 1.8 billion mu of cultivated land, ensure national food security and promote comprehensive, harmonious and sustainable development of the country. "Cultivated land protection" is sometimes used as a name for people engaged in farmland protection. For example, countries such as "cultivated land protection" and "cultivated land protection" are beginning to study the establishment of special funds for farmland protection, which are referred to as "cultivated land protection" funds for short.