The Vietnamese National Football Championship, also known as V.League 1, is the top professional football league in Vietnam. Established in 1980, it features clubs from across the country competing for the championship title. The league operates on a system of promotion and relegation with the V.League 2, the second tier of Vietnamese football. The championship typically runs from February to October each year, with each team playing a total of 26 matches. The team with the most points at the end of the season is crowned the champion. The league has grown in popularity, showcasing local talent and attracting international players.