April is the first time of summer, so avoid the bright lights of Bing and enjoy the wet weather. It can be seen from this that the moon stem and Guishui are used as the gods. Although this horoscope does not have native Qi earth, there is Wu earth in the middle of April, which is disliked by the Xin metal. So even if there is no earth in the eight characters and five elements, earth cannot be used. Xiangjian "Qingtong Baojian" Xinjin chapter in April.