Modular wall (1, 2) for health departments, comprising a first and a second wall module (10, 20) connected to a carrier structure through undercut means adapted to allow deforming elastic means for fastening and supporting said two wall modules (10, 20), each of said first and second wall module (10, 20) comprising said undercut means and said carrier structure comprises said elastic means, said carrier structure being composed of at least two columns fastened by means of a base, each of said columns is composed of two mirroring pairs of rods with open shaped profile without holding recesses and adapted to be elastically deformed, wherein said two mirroring pairs of rods are assembled through joining elements to allow supporting said first and second wall modules (10, 20) and simultaneously allowing the removal of said first and second wall modules (10, 20) each of said first and second wall module (10, 20) being formed of a wall (11, 21) equipped with said undercut means, said undercut means being formed of undulated foils adapted to allow elastically deforming said columns, wherein said undercut means lie aligned with respect to each of said columns; said undercut means of the first wall module compose the extension of a bent edge of a foil, said foil being adapted to coat said wall of the first wall module, said wall of the first wall module being formed of a wall made of cardboard-gypsum; the modular wall is characterized in that undercut means of the second wall module compose an angular section bar fastened to the internal surface and along the edge of said wall of the second wall module, said wall of the second wall module being formed of a slab made of pyroceram glass; a band of soft, sealing and self-expanding material being adapted to be interposed between contiguous wall modules (10, 20) to avoid the passage of dust; a foil of soft material is interposed between said first and second wall modules (10, 20) and said carrier structure to allow connecting said first and second wall modules (10, 20) with a floor on which said carrier structure rests to avoid the passage of dust; said base is composed of a beam with a U-shaped open box profile to be able to keep stably aligned said at least two columns. each of said first and second wall module (10, 20) comprising said undercut means and said carrier structure comprises said elastic means, said carrier structure being composed of at least two columns fastened by means of a base, each of said columns is composed of two mirroring pairs of rods with open shaped profile without holding recesses and adapted to be elastically deformed, wherein said two mirroring pairs of rods are assembled through joining elements to allow supporting said first and second wall modules (10, 20) and simultaneously allowing the removal of said first and second wall modules (10, 20) each of said first and second wall module (10, 20) being formed of a wall (11, 21) equipped with said undercut means, said undercut means being formed of undulated foils adapted to allow elastically deforming said columns, wherein said undercut means lie aligned with respect to each of said columns; said undercut means of the first wall module compose the extension of a bent edge of a foil, said foil being adapted to coat said wall of the first wall module, said wall of the first wall module being formed of a wall made of cardboard-gypsum; undercut means of the second wall module compose an angular section bar fastened to the internal surface and along the edge of said wall of the second wall module, said wall of the second wall module being formed of a slab made of pyroceram glass; a band of soft, sealing and self-expanding material being adapted to be interposed between contiguous wall modules (10, 20) to avoid the passage of dust; a foil of soft material is interposed between said first and second wall modules (10, 20) and said carrier structure to allow connecting said first and second wall modules (10, 20) with a floor on which said carrier structure rests to avoid the passage of dust; said base is composed of a beam with a U-shaped open box profile to be able to keep stably aligned said at least two columns.