Nail dyeing is the custom of Qixi Festival, which is popular in southwest China. It is also popular in many county records in Sichuan Province, as well as in Guizhou and Guangdong. For example, the "Yanting County Records" in Mianyang, Sichuan: "July 7 is the begging festival. Naive children dye their nails with impatiens. " There is no doubt that nail dyeing is also a woman's patent, and the finger Chlamydan is very charming. It says here that the juice of Impatiens daubs nails, which makes people smile.