The invention discloses a manufacturing method of 3D wedding celebration portrait floriculture. The manufacturing method includes the steps that 3D shooting imaging equipment such as a 3D scanner is used for carrying out scanning or shooting imaging on a bride, a bridegroom and wedding celebration garments, information is formed, and the information is transmitted to the 3D printer; through a synthesis method of materials such as red materials, yellow materials and blue materials, a colorful 3D bride and bridegroom couple image is printed; the feet or shoes of the colorful 3D bride and bridegroom couple image are printed through a magnetic material or an easily-magnetized material, and the feet or shoes and corresponding feet of the colorful 3D bride and bridegroom couple image are integrated through glued connection or a thermosetting method or other methods; the wedding celebration garments are fixed to the colorful 3D bride and bridegroom couple image through strings and other articles, and a 3D bride and bridegroom couple image is formed; and the 3D bride and bridegroom couple image is integrated with bouquets such as rose or China rose or manually-manufactured rose or China rose.