The utility model discloses a footing template device of tunnel limit crown steel mould platform truck aims at providing a convenient operation's footing template device of tunnel limit crown steel mould platform truck. It includes the template, is fixed in the baffle that the template was leaned on outside upper end and was close the outer placing of reinforcement of tunnel concrete through U type fixing clip, articulates and holds in the palm in the second lead screw top of inboard lower extreme of template and vertical setting, and fixed connection holds in the palm the billet of lower extreme in second lead screw top, and one end and template outside lower extreme are articulated, the other end holds in the palm the first lead screw of middle part articulated top with second lead screw top and holds in the palm, and one end asks the middle part to articulate the inside inclined support surface of the other end in subaerial bracing piece with second lead screw top to and place in five fens boards of billet below, set up the inner row teeth groove that supplies the interior placing of reinforcement of tunnel concrete to pass in the template, set up the outer row of tooth's socket that supplies the outer placing of reinforcement of tunnel concrete to pass, the middle part that held in the palm on first lead screw top sets up first handle, the middle part that held in the palm on second lead screw top sets up the second handle.