How to flexibly use brush to make ancient calligraphy fonts?

It takes patience to use PS brush. If you don't have a clue, you can find some works to refer to what it feels like to skim. Double-click the downloaded PS brush to install it. Use the brush tool at the position indicated by the arrow in PS to bring up the toolbar. You can choose a brush freely, and you can adjust the size, angle, roundness (circle or plane) and flip it.