The invention discloses an environment-friendly type fumigating furnace which comprises a smoke outlet furnace, a fumigating furnace and a smoke suction drum, wherein a ventilating pipe is arranged on one side of the smoke outlet furnace; a carbon net is arranged in the smoke outlet furnace; a fumigating plate is arranged in the fumigating furnace; the smoke suction barrel is arranged on one side of the fumigating furnace; the fumigating plate comprises an object carrying net and a first closing plate; the object carrying net and the first closing plate are respectively arranged in parallel up and down; the object carrying net is connected with one end of the first closing plate in a closed manner, and the other end of the first closing plate is opened; a smoke passing slot with one end opened is formed between the object carrying net and the first closing plate; the smoke outlet furnace is communicated with the smoke passing slot through a smoke inlet pipe; a smoke pipe is arranged at the upper part of the fumigating furnace and is connected with the interior of the smoke suction barrel through a smoke suction pipeline; an air outlet pipe is arranged on the smoke suction barrel; an air suction mechanism is arranged on the smoke pipe. The smoke pipe of the environment-friendly type fumigating furnace is connected with the interior of the smoke suction barrel, and the smoke suction barrel is provided with the ventilating pipe, so that water can be poured into the smoke suction barrel for absorption, or other chemical substances can be poured for reaction, such as a calcium hydroxide solution.