This two-in-one automatic production line combines two lines ofmaterial drying and briquetting together. It saves energy, reduces cost and promotes efficiencyby sharing one material conveyor. The automation of machinesensures a stable and smooth production and saves labor cost. It can run steadily even without workers' watch, as long as material is adequate. Besides, it bears a smoke-gathering device, which can gather the smoke and send it to be processed in the central smoke gathering and purifying device, finally give us such byproducts ascombustive gas, electricity, wood tar and wood vinegar. Besides, working conditions in the workshop can also be improved.