The ideology of religious solidarity is a crucial aspect of Ho Chi Minh’s Ideology of fostering a broad-based national unity. Rooted in Vietnam’s practical conditions and an appreciation of religion's humanistic and positive values, President Ho Chi Minh not only advocated and directed the construction of religious solidarity but also exemplified it as a unifying leader. He became a symbolic banner for national unity, including religious leaders and communities. This perspective was demonstrated during the first session of the Government Council of the Democratic Republic of Vietnam on September 3, 1945, when he proposed, “The government should declare: Freedom of belief and solidarity between religious and non-religious people”. Building on his innovative ideology, the documents of the XIIIth National Party Congress introduced several updates and enhanced understandings of the Party's stance on religious solidarity, reflecting a more comprehensive and suitable approach to meet the current developmental needs of the nation. By studying and learning about Ho Chi Minh's ideology on religious solidarity, this study recommends ways to continue strengthening the religious solidarity of the Communist Party of Vietnam in the current period.