One earth and three metals, lack of fire, lack of water and lack of wood, metal is too prosperous, and metal born in the soil, that is, metal is particularly prosperous, must be restrained. Naming: Firstly, the words next to the character for fire and the character next to the character for day supplement fire. , fire overcomes metal. Secondly, words next to the word wood make up for wood, words next to the word water and words starting with the word rain make up for water, metal restrains wood and reduces metal, metal is born with water and reduces metal. Words with gold and earth are not allowed. For example: Huan Ling, Songmei, Shuling, Wenxia