There is no difference between the seven kills themselves, and luck determines whether he is good or bad in what life house. In the eight diagrams preface, women can bring blue velvet crystal or stone tablet amulets (women's stone tablet amulets are made of red silkworm stone, shadow stone and red bamboo stone, and men can bring shadow stone or stone tablet amulets (men's stone tablet amulets are made of shadow stone, sea of clouds stone and beeswax stone).
For some people, killing seven times brings bad luck. Women can wear the sea of clouds stone, rose stone, or stone tablet amulet (this stone tablet needs to be made of cherry stone and red bamboo stone), and men can bring red bamboo stone or stone tablet amulet (this stone tablet is made of orange stone, beeswax stone, cherry stone and four-leaf lucky stone).