The utility model relates to a combined worktable, including lower carriage, well support and upper bracket, lower carriage, well support and upper bracket are frame construction, the medium counts erects to be put on the lower carriage, the upper bracket sets up on well support, the lower carriage includes mesa, first feeding subassembly and material discharging component, the mesa level sets upthe top at the lower carriage, first feeding subassembly and material discharging component all set up in the mesa below, first feeding subassembly includes a plurality of feeding unit, a feeding unitincludes first deflector and two one at least material box, this combined worktable simple structure, and reasonable in design, the function is various, collects the material stock, adds the material, the ejection of compact in an organic whole, conveniently takes, also makes things convenient for background operation person to carry out the raw materials selectively and adds, is difficult to inaddition make mistakes, adopts the high formula of folding design, can save space.