Disclosed are a method for manufacturing bricks using a waste artificial marble and a composition thereof. The brick, of the present invention, is manufactured by: grinding the waste artificial marble manufactured by including a methyl methacrylate resin, aluminium hydroxide, and an additive; processing the waste artificial marble into chips and collecting the same; making a mixture (200) by agitating mixed raw materials (H) with the collected waste artificial marble chips (C); quantitatively controlling the mixture of the waste artificial marble chips (C) and the mixed raw materials (H), and mixing the waste artificial marble chips with the mixed raw materials; and plasticizing a brick profile green body and manufacturing into the brick. Therefore, the method for manufacturing the bricks using the waste artificial marble uses the waste artificial marble as the bricks, and increases recycle rate of the waste artificial marble.
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