1. touch chemicals: Lutong's main material is jade or gold and silver, chemically unstable, if you touch chemicals will be corroded.
2. Touching oil smoke: oil smoke contains a lot of harmful substances, if long-term contact with oil smoke, it will affect the beauty and spirituality of Passepartout.
3. Avoid wearing Passepartout for a long time without cleaning: Wearing Passepartout for a long time without cleaning will cause a lot of dust and dirt to be attached to its surface, which will affect its appearance.
4. Avoid collision: Passepartout is often worn as a necklace, so pay attention to protect Passepartout from collision when you are exercising or doing housework.
5. Avoid wearing on the feet: Passepartout on the feet is not a good sign, it should be worn on the neck or hands.
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