| Dragon Flower Church of the Heart-bound Heavenly Way 一心天道龙华会 Yīxīn tiāndào lónghuá huì | |
| Imagewidth: | 120px |
| Other Names: | One-Heart Church, Black Church (黑会 Hēi huì), Church of the Ninety-nine Returning to One (九九归一会 Jiǔjiǔguīyī huǐ), Ancient Honesty Church (古敦会 Gǔdūn huì), and others |
| Type: | Way of Former Heaven lineage sect |
| Main Classification: | Chinese salvationist religion |
| Founder: | Ma Shiwei |
| Founded Date: | 1913 |
| Founded Place: | Zouping County, Shandong |
The Holy Dragon Flower Church of the Heart-bound Heavenly Way (一心天道龙华圣教会 Yīxīn tiāndào lónghuá shèng jiàohuì), also known simply as Yixin Tiandao (一心天道 "Heart-bound Heavenly Way"), Yizhendao (一真道 "Way of the One Truth") or the Holy Church of the One Truth (一真圣教会 Yīzhēn shèng jiàohuì), or Changmaodao (长毛道 "Way of the Long Hair"),[1] is a Chinese folk religious sect part of the Xiantiandao tradition.
The first hall of the religion (一心堂 yīxīn táng, "one-heart hall") was founded in 1913 by Ma Shiwei (马士伟) in the Zouping County of Shandong.[1]
In 1917 the One-Heart movement expanded opening a branch in Shanxi, and in 1922 it started a branch in Hebei. Its headquarters were located in Wutai County (Shanxi) and Jinan (Shandong).[1] In 1937 the first congregation was established in Shanghai.[1]