Disclosed are an absorbent and antibacterial polystyrene paper, a method for producing thereof, and an absorbent and antibacterial tray using the same. The absorbent and antibacterial polystyrene paper according to the present invention may be useful to absorb into a paper liquids, such as blood, moisture and the like, which is generated from foods in packing the foods such as meats, fishes, etc., by adding an antistatic agent to polystyrene raw materials and foaming the resultant mixture to produce absorbent and antibacterial polystyrene paper and tray, wherein a plurality of absorption holes are formed on one surface thereof. Here, the absorbent and antibacterial polystyrene paper according to the present invention is produced by mixing, foaming and extrusion-melting 91 to 95% by weight of polystyrene, 2 to 4% by weight of a nucleating material master batch and 3 to 5% by weight of an antistatic agent master batch, wherein a plurality of absorption holes are formed on a surface of a molded sheet.