Can cool wind ghosts harm people?

Ghost fairy itself is an unfair thing to punish the Yang world. How can it help others and harm others?

Breeze; Commonly known as ghost fairy, clear fairy, yin fairy and so on. , is the floorboard of the ghost, some areas are also called small wind or green wind. Usually, male ghosts are called sad children (tablets) and female ghosts are called smoke souls, and their leaders, also known as cool breeze leaders.