Medical spending in China is increasing every year, and people have started to buy medicine online, with nearly 3 million people buying medicine through mobile apps, among which the largest one is Yiyaowang–the”No.1 pharmacy.” Set up by Yu Gang and his partner, the founder of China’s first large online supermarket, Yihaodian, Yiyaowang is also a key part of a healthcare ecosystem that combines an online hospital, a drugstore and patients. Yu, an experienced businessman and a scholar, tells how he built the ecosystem, how it simplifies the medical process and gives patients access to cheaper drugs.