The Vietnam Second Division which has 18 teams, both professional

Professional

A professional is a person who is paid to undertake a specialised set of tasks and to complete them for a fee. The traditional professions were doctors, lawyers, clergymen, and commissioned military officers. Today, the term is applied to estate agents, surveyors , environmental scientists,...

 and semi-professional

Semi-professional

A semi-professional athlete is one who is paid to play and thus is not an amateur, but for whom sport is not a full-time occupation, generally because the level of pay is too low to make a reasonable living based solely upon that source, thus making the athlete not a full professional...

, is divided into 3 groups with 6 teams by geographical place.

Teams play in a round robin format. the 3 top teams as well as the 2nd team with most points qualifies for promotion playoff.

The 2 winners are promoted to the Vietnam First Division

Vietnam First Division

The Vietnamese First Division is the second tier league in Vietnamese football, after the V-League, with 14 teams competing.- Format :The league comprises 14 teams. Over the course of a season, each team plays twice against the others in the league, once at 'home' and once 'away', resulting in each...

. One team place bottom of group which has minimum points (compare with two other bottom teams) are relegated to Vietnam Third Division and no foreign players are permitted to play.