What is called Yin evil spirit alone

Cemetery, funeral homes, hospitals and other places belong to Yin evil spirit, average house if too close from the buildings, is made the Yin evil spirit alone, warrants people susceptible to the unknown disease, bad luck, often have nightmares.

Dissolve the Yin evil spirit alone can be placed in the home wood gourd and sovereigns and ancient COINS to resolve its ferocious look.