When Qi Fangji took the fat boy next door who had a cold and registered him as a pediatrician, he never expected that his life would fall into a nightmare again, a nightmare even scarier than the roll call every day when he was a student - he met his former teacher Chen Siyang in the hospital. The carefree old Chinese medicine doctor and the cold-faced and venomous pediatrician are running towards a better tomorrow together (?) Chen Siyang