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The black-foot disease of grapevine is one of the most destructive diseases in viticulture and it is caused by a complex of soil-borne fungi. This study aimed to identify the species associated with black-foot disease in young grapevines in vineyards of China. Fungal isolates were identified as <i>Campylocarpon fasciculare</i>, based on both morphological and multi-locus phylogenetic analysis of ITS, <i>tef1–α</i> and <i>ß-tubulin</i> sequence data. For the first time in China, we report <i>Campylocarpon fasciculare</i> associated with symptomatic young grapevines. Koch’s postulates were performed on <i>Vitis vinifera</i> cv. Summer Black (SB) in a greenhouse and to confirm the pathogenicity on grapevines. This work improves the knowledge of black-foot disease in Chinese vineyards and will be helpful to growers in their decisions regarding vinicultural practices, planting and disease management.