PURPOSE: An assembly greenhouse is provided to easily and simply repair partial cover using a magnetic material, and a magnet member, and to improve the waterproof capability. CONSTITUTION: An assembly greenhouse comprises the following: a house structure including plural cover frames as magnetic materials; a partial cover(300) attached to the cover frames; a magnetic member(400) combining the partial cover to the cover frames by being attached to the edge of the partial cover; and a magnetic member settling groove(210) formed on the cover frames.