Taboos and superstitions like this, along with rumors of actors suffering mishaps and theaters burning down, are one of the reasons why the operas are seldom performed.
關戲禁忌特多，隨之而來的顯靈、托夢，演員欠安、劇場失火的傳言也時有所聞。這也是少數劇目經常遭到禁演，或戲班本身少唱關戲的原因之一。