The invention discloses an adult security bracelet with multiple selection modes and a traceable position, belongs to the field of the information technology, and aims to solve the problem of an existing bracelet that the security of an adult can not be sufficiently guaranteed. The bracelet comprises a single chip microcomputer, a detection unit, a key unit, an A/D conversion unit, an informationtransmission unit, a driving unit and a power supply unit and has an effect on increasing security.