The direction of vertical painting involves the situation of vertical painting and the consistency of brushwork. The closing direction of vertical painting must be related to the beginning of the next stroke. If the starting point of the next stroke of vertical painting is on the left side of vertical painting, the closing stroke of vertical painting should be from right to left.
If the starting point of the next stroke of vertical painting is on the right side of vertical painting, the strokes should be collected from left to right, so that the strokes can echo each other.