《太平广记·卷二十·神仙二十》
他驱除瘟疫，制服妖魔，消除水旱天灾，呼风唤雨无所不能。杨什伍为人古板孤傲，不随凡俗，他的道术千变万化，远近闻名。
驱毒疠，剪氛邪，禳水旱，致风雨，是皆能之，而木讷疏傲，不拘于俗。其术数变异，远近称之。
He could eliminate plague, control demons, dispel droughts and floods, summon wind and rain. Yang Shiwu was inflexible and arrogant, unusual, his spells were ever-changing, and he was famous far and wide.