The utility model provides a tobacco leaf intensive flue-curing barn combined device capable of reducing coal consumption by utilizing solar energy. The partitioning body and top plate combines the heating chamber and the baking chamber together, a coal-fired furnace is equipped in the heating chamber, and a blower fan is connected with the lower connector at the adjacent part of the heating chamber and the baking chamber. A roof ridge-shaped temperature collection canopy is equipped at the upper end of the heating chamber and the baking chamber, and a ventilation slot is equipped at the lower end of the heating chamber and the baking chamber. A cold air passage and a moisture discharging passage are equipped at the heating chamber side, a flue tube is equipped in the moisture discharging passage, and a hot air passage is equipped at the baking chamber side. The flue-curing barn combined device that mainly utilizes coal reduces coal consumption by at least 40% by utilizing solar energy and heat recovery manner, and effectively guarantees the temperature and humidity stability of tobacco leaf during baking process, so as to improve the barking quality. The utility model has low cost and low pollution, and can also be used for raising seedling by floating plate that requires temperature and humidity preservation in winter and spring, so as to achieve integrated utilization effect.