Hiểu Về Trái Tim (Understanding the Heart) is a Vietnamese humanitarian organization and social network that brings donors, volunteers, partners, and community members together to support people in need. Its work prominently focuses on children with congenital and other serious heart conditions, helping families who cannot afford treatment. The organization also supports broader hardship cases and education-related needs, including funding lunch meals for students.

Visitors can learn about individual cases, contribute to fundraising campaigns, check donation information, volunteer, or connect with the community through its forums and member profiles. The website shares updates on assistance provided, organizational information, financial reports, and opportunities for businesses and sponsors to collaborate. Hiểu Về Trái Tim works with corporate supporters and public ambassadors to extend its charitable programs.

Its campaigns invite continued contributions from individuals and organizations, while stories about children and families explain the needs behind each appeal. Through fundraising, practical assistance, and community participation, the organization seeks to turn compassion into support for healthier lives and improved circumstances