The invention discloses a coconut shell carbonization material activation furnace. The coconut shell carbonization material activation furnace comprises a combustion chamber and a furnace body, wherein the furnace body comprises a furnace wall, a hearth and a cooling section, the combustion chamber and the hearth are communicated through a first gas pipeline, a carbonization section, an additional carbonization section and an activation section which are communicated with one another are arranged in the hearth, the carbonization section is communicated with a material feeding hole, a plurality of material channels are arranged in the carbonization section, a plurality of first filter screens are arranged in each material channel, the additional carbonization section is arranged at the lower part of the carbonization section, a plurality of second filter screens are arranged in the additional carbonization section, the activation section is arranged below the additional carbonization section, a wave-shaped plate body is arranged at the bottom of the activation section, a plurality of small holes are formed in the plate body, the cooling section is communicated with the activation section, and a material outlet is formed in the cooling section. The coconut shell carbonization material activation furnace is concise in structure, economical and practical, compared with the traditional activation furnace, the coconut shell carbonization material activation furnace has the activation rate increased by 20%, and besides, the quality of a coconut shell activated carbon finished product is high, and the surface of the coconut shell activated carbon finished product is not cracked.