Aquilaria sinensis bracelet is a kind of hand ornament with fragrance and touch, and its quality and life can be maintained by using pearl powder for maintenance. Pearl powder is a kind of powder specially used for maintaining jewelry and bracelets, which has the functions of moisture absorption, deodorization and maintenance. The use method of pearl powder is to put the bracelet into a sealed bag, add a proper amount of pearl powder, and then seal the mouth of the bag so that the bracelet can contact the pearl powder. Pearl powder will absorb moisture and peculiar smell on the surface of bracelets, keeping them dry and fragrant. The maintenance time is suggested to be about two weeks, but the specific maintenance time can also be adjusted according to the frequency and environment of the bracelet. If the bracelet is often exposed to damp environment or used frequently, it needs more frequent maintenance.