Yu Fu squeezed out the flesh to clear the intestines, then organized the stomach and intestines, sutured the wound, and finally stuffed some herbs into the child's nose. It wasn't long before the child woke up.
Besides this, there are many stories of Yu Fu performing surgery to treat others.
All these methods of treatment and Yu Fu's profound understanding of the human body were recorded in the Outer Canon of the Yellow Emperor.
Among them were the functions of meridians and acupuncture points, relying on this medical knowledge left by ancient people, the White Lotus Society was able to use the Yellow Emperor Meridian Map to forcibly elevate martial artists with Dark Force to Grandmaster level with Huajin, making exaggerated profits.
Of course, the Yellow Emperor Meridian Map was already outdated low-end technology discarded by the White Lotus Society.
Their truly advanced technology, they certainly wouldn't use it on outsiders before it's outdated and replaced.
