NOVELTY - A (meth)acrylic acid production system comprises a supply unit of providing (meth)acrylic acid gas mixture, a unit for forming solution mixture, a distillation column and a acetic acid-removal unit. The supply unit provides (meth)acrylic acid gas mixture containing air (1), steam (2) and 3C or 4C compounds. The gas mixture (4) is combined with water (5), to obtain the solution mixture containing impure (meth)acrylic acid. The impure (meth)acrylic acid in solution mixture is separated in distillation column, and acetic acid is removed, to produce (meth)acrylic acid.    USE - System is used for producing (meth)acrylic acid.    ADVANTAGE - The system efficiently and economically produces high-quality (meth)acrylic acid in high yield. The distillation column provides stable operation over long period of time, and improved separation capability and high (meth)acrylate recovery rate.    DETAILED DESCRIPTION - A (meth)acrylic acid production system comprises a supply unit of providing (meth)acrylic acid gas mixture by catalytic oxidation, a unit for forming solution mixture containing impure (meth)acrylic acid, a distillation column and an acetic acid-removal unit. The supply unit provides (meth)acrylic acid gas mixture containing air, steam and 3C organic compound or 4C organic compound. The 3C organic compound includes propane, propylene (3), isopropyl alcohol, glycerol or acrolein. The 4C organic compound includes isobutane, isobutylene, tert-butanol or methylpropenal. The gas mixture is combined with water, to obtain the solution mixture containing impure (meth)acrylic acid. The distillation column has an upper rectification section, a lower stripping section, and several spaced apart trays supported in rectification section and stripping section. The number of theoretic tray of distillation column is 3 or more. The impure (meth)acrylic acid contained in the solution mixture is separated in distillation column, such that the solution of impure (meth)acrylic acid is collected in stripping section. The acetic acid is removed from impure meth(acrylic) acid in the removal unit, and thus (meth)acrylic acid is produced.    DESCRIPTION OF DRAWING(S) - The drawing shows the flow diagram illustrating production method of (meth)acrylate.    Mixer (M1)    Oxidation reactor (R1)    Absorber (T1)    Azeotropic distillation dehydrator (T2)    Acetic acid stripper (T3)    Air (1)    Steam (2)    Propylene (3)    Oxidation reacting gas mixture (4)    Water (5)