Li Shizhen was born into a family of doctors and had a good foundation in medicine due to his childhood illness. His grandfather, father, and elder brother were all doctors. Due to his illness at a young age, he was exposed to medical knowledge from an early age and received guidance and help from other doctors in his family, which gave him a good foundation in medicine. As he grew up, Li continued to learn and practice, accumulating rich medical experience. These experiences had a significant impact on his later medical research and writings, enabling him to gain a deeper understanding and explore the mysteries of traditional Chinese medicine.