An aluminum pin tube heater for farming is provided to reduce the weight of the heater by making a main body and heat radiating pins with aluminum, and to enlarge a heat radiating area by forming the heat radiating pins into a radial shape on the circumferential surface of the main body. An aluminum pin tube heater(100) for farming comprises: a cylindrical main body(2) with a built-in infrared ray sheath heater; heat radiating pins(3) for enlarging a heat radiating area on the circumferential surface of the main body; and main body covers(5) separably installed for covering both ends of the main body. The infrared ray sheath heater is supported by eccentric washers fixed at both ends and installed eccentrically downward. The main body and the heat radiating pins are made of aluminum and formed into one body. The heat radiating pins in the form of rectangular plates facing the main body are projected perpendicularly to the circumferential surface of the main body at fixed distances. In addition, an elastic fastening piece for ensuring airtightness is installed on the inner circumferential surface of the main body cover.
