（1） The name of an esoteric ritual which is supposed to strengthen the memory. The object of worship is the bodhisattva a^ka^/sagarbha （虚空藏菩萨）. Various offering are made to him， and his dha^ran!i^ is recited. （2） The Qiuwen chifa， an abbreviated title for the Xukongzang pusa nengman zhuyuan zuishengxin tuoluoni qiuwen chifa 虚空藏菩萨能满诸愿最胜心陀罗尼求闻持法， which teaches the ritual described in （1）.