The present invention provides a breeding system, in particular to a multi-layer net frame with a multi-layer breeding net set in a breeding barrel, and placing shellfish on the breeding net for breeding, which can greatly increase the breeding area and increase the yield. When the shellfish grow and harvest , The net frame can be lifted away from the breeding bucket for harvesting treatment to save artificial breeding equipment.本發明係提供一種養殖系統，尤指一種在養殖桶內設置具有多層養殖網的多層網架，將貝類放置在養殖網上養殖，可大幅增加養殖面積，以提高產量，當貝類成長採收時，可將網架吊離養殖桶作採收處理，以節省人工的養殖裝置。
