Tỷ Lệ Kèo Nhà Cái is a Vietnamese sports information website that says it has operated since 2018, serving football fans and followers of other popular sports. Its coverage brings together betting odds, including Asian and European markets and over/under lines, alongside match schedules, live scores, results, league tables, news, and pre-match analysis. The site features previews of upcoming fixtures and information on competitions and clubs in Vietnam and internationally, including the Premier League, Bundesliga, Europa League, and World Cup.

Visitors can use its live score and results sections to follow match developments, and its schedule listings to check fixture times and venues. The website also describes offering live broadcasts with commentary, while saying its information is updated regularly using international media sources. It states that it works with more than 20 Asian betting operators and has partnerships connected to sports competitions. Its stated aim is to help users stay informed and make more considered betting decisions.