The athlete triumphed with an achievement of 14.15 meters.
It is the third gold medal for the Vietnam athletic team.
The silver medal went to Indonesia competitor Maria Natalia Londa, and the bronze medal belonged to the Thai athlete.
Her companion Tran Hue Hoa was only stood the sixth position.
Vu Thi Men triumphs with a victory of triple jump of 14.15 meters at the 2017 SEA Games