大佛頂如來放光悉怛多般怛羅大神力都攝一切呪王陀羅尼經大威德最勝金輪三昧呪品 1.97

1.97

「復次井花水一升七遍，日初出時向日自服之，諸病悉得愈。餘水向日散之，天下眾生所有病障皆悉消滅。

Furthermore, empower one sheng of freshly drawn well water seven times; at sunrise, face the sun and drink it oneself, and all illnesses will be cured. Scatter the remaining water toward the sun, and all illness hindrances of sentient beings under heaven will be eradicated.