Call him by his name. According to historical records, he was a doctor in Bohai County, while Dr. Lu meant that he was born in Shandong. It can be seen that "Bian Que" is a general term for people with superb medical skills in ancient times. Qin Yueren is also called "Bian Que". According to the legend of the ancients, doctors cure diseases and save lives, and they bring health and happiness wherever they go, just like magpies bring good news. Therefore, the ancients called those doctors with superb medical skills and noble medical ethics "Bian Que". The doctor's name is Lu, and he was born in Shandong. He has excellent medical skills and profound knowledge. He traveled all over the country to save lives, so it is logical to be addressed as "Bian Que".