Medical career was not open to all in those days. Only a young man of good family and who possessed intelligence, courage and a good memory was eligible to study medicine. It was also customary for a new physician to secure permission from the king before beginning practice.
taught that a physician was to keep his nails trimmed, his hair short, wear clean white clothes and shoes and carry an umbrella and a stick.
Any error in treatment causing death would earn the physician who is supposed to be the patron of life and health severe punishment from the king. A negligent surgeon would lose the limb with which he caused the patient to lose his life.