Appearance is different: Longevity locks are generally in the shape of ancient locks (dragons), engraved with the words "Long life" and "Long life and wealth". It is an ornament hanging around children's necks. Ping 'an locks are generally round or oval in shape, and some have some special patterns or symbols, such as "Fu", "Shou" or other auspicious patterns.

Different materials: Longevity locks are rich in materials, ranging from traditional metal materials to modern jewelry and jade articles. Ping An Lock may be made of a single material, mainly jade and silver.