The whole picture is like this: the central background pattern is the earth looking down from the North Pole, with a snake wand wrapped around it standing on the earth. The edge of the World Health Organization logo is an olive branch, and two lush leaves alternately hold the earth. This pattern not only shows that it belongs to the United Nations, seeks world peace and serves all mankind, but also shows that it is a medical and health institution. Because the snake stick has long been a symbol of medicine and medical profession. It is said that Asclepius is a full-time medical god in Greek mythology, and he has the magic power of bringing back the dead. His magic weapon is a snake. He often walks around with a snake stick in his hand to save lives. The long stick means to travel all over the world, and the snake symbolizes health and longevity. The olive branch is considered as a symbol of peace with the earth.