The utility model discloses a birdcage-shaped acrylic arch camber splicing structure, comprising a pedestal, upright columns (2), top face modeling pieces and top interior modeling pieces, wherein a pedestal base column (1) is installed on the pedestal; the upright columns (2) are sheathed in the pedestal base column (1); the multiple upright columns (2) surround a birdcage body; one end of each of the top face modeling pieces is connected between two corresponding adjacent upright columns (2) to form a top face model; one end of each of the top interior modeling pieces is connected with the corresponding top face modeling piece to form a top interior model; penetration connecting pieces (3) are respectively arranged at the connections between the upright columns (2) and the top face modeling pieces, and between the top face modeling pieces and the top interior modeling pieces. By applying the birdcage-shaped acrylic arch camber splicing structure provided by the utility model, the current situations of high design requirements and great construction difficulty can be changed; the limitation of applying an acrylic material is removed; the attractiveness of the models is improved; the construction difficulty is lowered; the models are attractive; the construction is simple.