What is the name of the button on the cheongsam?

That's a button, also called a button. It's a button used on a flag suit to fix a skirt or an ornament. The flower buckle is an ancient Chinese knot. There are straight buttons, flower buttons, pipa buttons and flower buttons. The traditional button is made by hand after sizing, and the current price on the market is very high, ranging from 100 to 8000. Traditional hand-made buckles can't be washed, and they will come loose after washing.