Zheng Jianguo, the emergency room director of a township hospital, is reborn in 1977. Having experienced the high-pressure, high-intensity, and often physically demanding nature of his previous life, he decides to pursue a more relaxed and lucrative career as a dentist. Disclaimer: The use of medication in this book is based on specific individual circumstances and conditions. If you experience any discomfort, please seek immediate medical attention and follow your doctor's instructions. PS: Welcome to my book club at 495673051!