Since ancient times, the Chinese government has always attached a great deal of importance to food security . However, the problems have been different at different times, with a variety of different solutions. For a considerably long period of time, production efficiency was low due to the planned economy. Food supply was in a constant state of shortage due to limited investment, Since ancient times, the Chinese government has always attached a great deal of importance to food security. However, the problems have been different at different times, with a variety of different solutions. For a 58 to the planned economy. Food supply was in a constant state of shortage due to limited investment,