A dual-layer filter net and a juicer that uses the same are provided. The juicer includes a housing, a cutter plate, a driving device and a dual-layer filter net. The dual-layer filter net includes an inner layer filter net and an outer layer filter net. The opening of the inner layer filter net faces upward and the opening of the outer layer filter net faces downward. A residue extraction gap is formed between the inner layer filter net and the outer layer filter net. The material undergoes the first juice extraction by the inner layer filter net and the residues expelled undergoes the second juice extraction by the outer layer filter net.