The utility model discloses an after water board template structure, including mutual concatenation and enclose and water the regional a plurality of templates of board after fitting, the template includes: the template body is located the bottom of template body, be used for the mounting panel be connected with the structure die block, and set up in on the template body, supply after water a plurality of reinforcing bar slots that the regional structure reinforcing bar of board was worn to establish. The utility model discloses a polylith template is assembled and is formed the space of watering the board after the confined is pour, the stable firm dismouting of just being convenient for of template overall structure, according to the circumstances of laying of reinforcing bar, offer the reinforcing bar slot and install the reinforcing bar on the template body, water after can guaranteeing the slab muscle under the circumstances about not cutting off with template body adaptation installation, water the construction quality of board position after can guaranteeing, the disposable acceptance(check) of board is watered in the production of water the board size distortion after preventing, leaking the thick liquid after the assurance, guaranteed the time limit for a project, and the template structure can recycle, the dismouting is simple and easy, economical and practical.