According to the second volume of Chronicle of the Qing Dynasty, the beads in the Seven Treasures of the Wheel King have the following eight merits, namely: (1) can shine, which means that the beads can shine at night to keep people away from the clouds, and when it is hot during the day, they can shine cold and make people cool. (2) It can quench thirst, which means that God's jewels can send clean water in a desert without water, which can quench everything. (3) obey the king's will, that is, when the king's wheel thinks, God's gem can obey his will. For example, if the king remembers water, pearls will flow clean water to save the world. (4) There are many colors on the body, which means that God's jewels are covered with eight corners, and all the corners are covered with various bright colors such as blue, yellow, red and white. (5) Being able to get rid of illness and suffering means that God's jewels can make people get rid of illness and do whatever they want. (6) Being able to shower means that the power of God's jewels can make Longyu only have a cool shower without bad rain. (7) It can produce all kinds of things, which means that God's jewels can flourish where there is no water and no vegetation, so that flowers and trees can flourish and the water in the pool can flow. (8) Being interested in places refers to the place where God's jewels are located. People will not sink in, kill each other, stay away from each other and enjoy themselves forever. p4 187