The invention provides an antibacterial dye-absorption laundry bag. The laundry bag is characterized by comprising a laundry bag body made of dye-absorption non-woven fabrics; the opening of the laundry bag body is provided with a drawing rope and a zipper, and the laundry bag body includes an antibacterial layer, a non-woven fabric layer and a dye-absorption layer which are arranged in turns; the dye-absorption layer is coated on the outer layer of the non-woven fabric layer, and the antibacterial layer is coated on the inner layer of the dye-absorption layer. The antibacterial layer of the antibacterial dye-absorption laundry bag has the functions of detoxifying, relieving itching, disinfesting insects and diminishing inflammation, and has an obvious inhibition or killing effect on fungus, staphylococcus aureus, haemolytic coccus, escherichia coli, pseudomonas aeruginosa and typhoid bacillus, so that the laundry bag has the functions of laundry and sterilization at the same time; moreover, the laundry bag has the advantages of no toxicity, no side effects, and no environment pollution.