PURPOSE: A multipurpose lamp is provided to prevent plants from freezing during winter by heat emitted from a heating unit. CONSTITUTION: A heating unit (20) is installed on the lower side of a body (10) for emitting heat to plants. A light emitting unit (30) is installed on the lower side of the heating unit for emitting light to the plants. A fixing unit (40) for the heating unit fixes the heating unit on the lower side of the body. A receiving unit (60) is protruded from the upper side of the heating unit toward the inner upper side of the body. A fitting groove (610) is formed on the outer circumference of the receiving unit. The fixing unit for the heating unit is fitted to the fitting groove.
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