Weibo, who cares about Jaff Jewels, Jaff College in Weibo can learn the professional knowledge of jewelry maintenance and teach you a few tricks. Tips for Jewelry Maintenance 1: Refuse to clean jewelry with toothpaste 2: Don't soak pearls with tap water 3: Don't touch jewelry frequently (except jade and white jade) 4: Pay attention to using ultrasonic cleaning machine 5: Take it off at the right time, which is also a kind of maintenance 6: Carry small jewelry boxes with you 7: Pay attention to the order of wearing jewelry 8: Check jewelry carefully regularly 9: Pay attention to substances containing acid and alkali.