A touch display device includes a substrate, light emitting units, and a touch layer. The touch layer includes mesh units disposed corresponding to the light emitting units, wherein each of the mesh units has a mesh opening, and the light emitting units are disposed in the mesh openings. The mesh units include a first mesh unit and a second mesh unit. The light emitting units include a first light emitting unit and a second light emitting unit having different color from the first light emitting unit. The first light emitting unit is disposed in the first mesh unit. The second light emitting unit is disposed in the second mesh unit. An area of the first mesh unit is greater than an area of the second mesh unit, and an area of the first light emitting unit is greater than an area of the second light emitting unit.