Inner painting is a traditional art project in the third batch of representative projects of Wuxi's municipal intangible cultural heritage. Inner painting originated from snuff bottles in the Qing Dynasty and has a history of more than 200 years. It is a unique traditional handicraft in China. Put a homemade small hook-shaped brush in a frosted bottle, use the backhand painting technique, concentrate and hold your breath to paint. Inner painting has beautiful shapes, exquisite and exquisite, and is ingenious. It combines multiple crafts such as calligraphy and painting. It has the reputation of "supernatural craftsmanship" and "unique in China". (No pictures yet, welcome to provide.) (No pictures yet, welcome to provide.)