The seven changes of the husband and wife, Wuchen, refer to the Wuchen in the birth dates of the husband and wife, which is one of the heavenly stems and earthly branches. Wuchen belongs to Yang earth and represents good luck and luck. Although the fortune of Wuchen people is weak, by accumulating good karma and using the methods of Tantric Buddhism, they can subdue evil spirits and transcend desires. In addition, in the relationship between husband and wife, changes in the seven kills usually mean changes in the relationship between husband and wife, which may be a weakening of the relationship or the emergence of other conflicts. In order to maintain the stability and harmony of the relationship between husband and wife, measures need to be taken to adjust and improve.