n. 护身符

[ noun ]
a trinket or piece of jewelry usually hung about the neck and thought to be a magical protection against evil or disease
<noun.artifact>

Amulet \Am"u*let\, n. [L. amuletum: cf. F. amulette.]
An ornament, gem, or scroll, or a package containing a relic,
etc., worn as a charm or preservative against evils or
mischief, such as diseases and witchcraft, and generally
inscribed with mystic forms or characters.

Note: [Also used figuratively.]