The utility model discloses a modular working jumbo for tunnel lining, include: the platform driving license body for normal section tunnel lining construction, it includes section platform truck, anchor section platform truck, and anchor section platform truck includes portal assembly, steel form assembly, and the steel form assembly includes the multisection steel form, and every knotted bar iron template is including top template, left side template, right mould plate, portal assembly top sets firmly a plurality of relay hydraulic cylinder, and relay hydraulic cylinder top has set firmly the vault crossbeam, supports the very heavy support of spiral through the top between vault crossbeam and top template for steel form assembly integrally lift up, portal top level sets firmly the flexible hydro -cylinder of a plurality of side direction, is used for outer supporting left side template and right mould plate. The utility model discloses utilize anchor section platform truck and section platform truck to combine combined action be under construction in normal section, anchor section platform truck breaks away from with the section platform truck, and outer supporting takes one's place to reach and widens anchor section lining construction size and widen the anchor section and be under construction for tunnel lining executes and makes simply convenient, saving cost of efficiency, operation.