First of all, from the composition of Bodhi, they are all seeds of plants, so the five elements are almost all wood, so as long as people with eight-character hi-wood, they can basically wear Bodhi.
It has the function of transshipment and wealth. The eight-character god likes wood, which can be worn by people who are weak and sick. Of course, in addition to the different functions of the five elements, Bodhi numbers also have different meanings.