The breast implant (100) of the present invention comprises a first pouch (1), a plurality of second pouches (1), and a plurality of third pouches (3). The first pouch has a first enclosing membrane (11) and a first lumen (12) formed by the first enclosing membrane. The interior of the first lumen includes a dome (13) and a bottom portion corresponding to the dome. Each second pouch has a second enclosing membrane (21) and a second lumen (22) formed by the second enclosing membrane. The second pouches are provided in the first lumen and radiate from the center of the dome. Each third pouch has a third enclosing membrane (31) and a third lumen (32) formed by the third enclosing membrane. The third pouches are provided between the second pouches in the first lumen and are arranged in strings that extend from the center of the dome.
