Xu Huatan's iron sheet installation is another understanding. The flower bed is a regular arrangement for planting ornamental flowers in the planting bed. A flower bed is a garden facility in which ornamental plants are planted in a whole or semi-whole pattern in a certain range of border fields to show the beauty of flowers. A piece of iron means that I can go to the bottom with powder that is not very useful in the beauty industry. I can already see the iron sheet at the bottom of the powder can when I take the powder, which is generally used to describe the useful products.