He came to the human world in the ancient times,and was the Heavenly Queen Mother s"red earring"for a short time during his staying in the heaven. When he came back to the human world he became the guardian of Zhongwei and Zhongning. And he knows a lot of the secrets of the wolfberry and its origin.(He came to the human world in the ancient times,and was the Heavenly Queen Mother s"red earring"for a short time during his staying in the heaven. When he came back to the human world he became the guardian of Zhongwei and Zhongning. And he knows a lot of the secrets of the wolfberry and its origin.)