An indoor ornamental flower cultivation system is disclosed. The indoor ornamental flower cultivation system according to one embodiment of the present invention comprises: a main body part having a space in which flowers grow and having at least a portion, of the outer peripheral surface, formed to be transparent; a cover part provided at the upper side of the main body part, having a plurality of water supplying holes through which water is supplied, and guiding the flow of the water toward the plurality of water supplying holes; and a water tank coupled to the main body part and storing the water supplied through the cover part, wherein the water tank has a compressed earth accommodation part for accommodating compressed earth in which flower seeds are planted.
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