The present invention provides an excellent durable geopolymer with actively improved strength compared to the existing one, while the lightness and aesthetics are actively secured by the additional adoption of the foam molding method, and the moldability improvement due to the strengthening of the bonding force between the particles is maximized. It relates to a manufacturing method of high-strength artificial basalt based on foam molding of geopolymer that is easy to produce, handle, use, maintain, and repair, and to an ultra-light and high-strength artificial basalt flowerpot using the same, comprising an inorganic filler binder made of fly ash and , obtaining a molding raw material by mixing and stirring a curing retardant and water to delay the curing of the inorganic filler binder (S10); Forming raw material foaming step (S20) to form pores by air bubbles; and wet curing in a sealed state with a non-woven fabric, and obtaining a molded body obtained by natural drying after sealing release and demolding (S30); Consists of.
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