Su He (Su Suisui), a doctor of modern agriculture/civil engineer, was reborn as a 15-year-old peasant girl from a poor family in ancient times with the same name. He has a tough and pragmatic character, an online IQ, and is idealistic but knows how to assess the situation. Goldfinger: modern professional knowledge system (agriculture, basic engineering, management, some basic chemical and physics knowledge) + an "auxiliary memory bank" (a non-intelligent system that can only store and accurately retrieve the data she has learned and seen in previous lives, similar to a super memory hard drive, which requires active triggering and consumption of mental power). In the initial period of troubled times similar to those after the Five Dynasties and Ten Kingdoms (approximately 50-80 years after the founding of the People's Republic of China), many wastes were waiting to be renovated, class solidification was beginning to appear but not yet monolithic, and the level of science and technology was about that of the turn of the Tang and Song Dynasties. There are hidden dangers such as natural disasters (drought, floods, locust plagues), man-made disasters (corruption, local tyrants), and border instability.
