摩訶止觀 8.107

8.107

初得細心，外境觸心驚擲，於是氣上，腹滿胸煩、頭痛悶。此是六神遍身遊戲，因驚擲失守，外有惡神入身，奪其住處，故使如此。若治之法：閉口蹙鼻不令氣出，待氣遍身，然後放氣令長遠；從頭至足遍身皆作出想，牽之令盡。如是三遍，然後誦呪：

When first attaining a subtle mind, external sensory objects strike the mind, causing it to start and leap; thereupon qi ascends, the abdomen becomes full and the chest troubled, with headache and dizziness. This is because the six spirits wander throughout the entire body; due to the start and leap, vigilance is lost, and evil external spirits enter the body and seize their dwelling places, causing this to happen. The method for treating it: close the mouth and constrict the nostrils, not allowing the qi to exit; wait until the qi spreads through the entire body, and then release the qi so that it is long and distant; from head to foot, throughout the entire body, produce the thought of expelling it, pulling it out completely. Do this three times, and then recite the incantation: