1, weak eight-character means that the overall pattern in this eight-character can't support the growth and help of the five elements of the day, which leads to the weak strength of the five elements of the day. For example, someone's birthday is Geng Zi, because Tiangan Geng belongs to gold, then his five elements of the sun are gold. If he was born in April, noon, weekend in summer or ugly month in winter, then his sun Lord is obviously weak (Xia Yuewang, Kejin; If there is no gold or earth in his annual column and time column to help produce gold, then there is no doubt that this character is weak.
2. Look at a person's horoscope, mainly according to the five elements of birth (Japanese Lord), to judge the quality and influence of other three pillars and five elements of year, month and time on the five elements of Japanese Lord.