Actually, President Chen had already told him about it yesterday.
However, Xie Yiming was an old fox, so naturally he wouldn't admit that he already knew. Otherwise, if he refused to treat Song Yu yesterday, it would seem like he was showing no regard for the Mi family and the Song family.
"It's like this, Professor Xie: my fiancé Song Yu has somehow suddenly become foolish and out of his mind. You are a renowned, nationally famous expert and professor in cardiovascular and cerebrovascular diseases, and since you happen to be right here, it's truly Song Yu's good fortune. My Mi family earnestly implores you to step in and treat my fiancé. Success or failure, the Mi and Song families will be endlessly grateful. If he can be cured, our two families will definitely offer Professor Xie a most satisfactory reward."
Chapter 258