First, the importance of food security can be discussed from these aspects: social stability, national strategic security, national autonomy and so on. , and can be properly developed.

2. Factors threatening food security: price (cheap food hurts farmers), market, food quality, invasion of foreign food varieties, planting of genetically modified food, fluctuation of international food prices, impact of natural disasters, urbanization, reduction of cultivated land, outflow of rural labor force, etc.

Third, we can talk about strategy from three angles: government, enterprises and individuals. The government mainly focuses on macro-control, encouraging grain production, subsidies, independent research and development of grain seeds by enterprises, development of new technologies, personal care for grain and enhancement of food safety awareness.