The invention provides a solar combined type heat supply system for tobacco curing. A solar heating system is arranged at the top end of a curing barn, a heating room is arranged at one end of the curing barn, an outer cabinet body is arranged the outer side of the heating room, the heating room comprises an upper part and a lower part, the lower part of the heating room is a hot air room, the upper part of the heating room is a circulating air room, the hot air room is communicated with the circulating air room through a circulating fan, the circulating air room is communicated with the curing barn, the circulating fan realizes the air circulation between the curing barn and the hot air room, a heat pump system is an air source heat pump and absorbs the heat in the air to heat the air in the hot air room, a dehumidifying system is used for dehumidifying the air in the hot air room, and the solar heating system assists to heat the air in the hot air room. The solar combined type heat supply system provided by the invention takes the air source heat pump as a main heat source to provide heat for the tobacco curing, the solar heat supply provides auxiliary heat for the tobacco curing, an air dehumidifying technology is used for extracting hot humid air in the curing barn, and meanwhile, a heat pump technology is used for recycling the heat in the hot humid air, thereby achieving the purpose of energy conservation and emission reduction.