This study aims at solving the problems existing in the promotion of square dance in Hangzhou and investigates the female participants in the square dance within thirteen districts and counties（cities）in Hangzhou.Through in-depth analysis of main factors of promotion，values of promotion and mechanism of promotion，suggestions about promoting the mechanism such as the construction of grid platform are put forward.Thus，the square dance could be better explored by the relevant departments to carry out mass sports activities and provide the evidence of strengthening the effective management.