The invention relates to an ecological magnetotherapeutic office seat cushion in the physical field. The seat cushion comprises a matrix ecological magnetic field generator, tourmaline sheets, natural rattan cane webbings, a memory sponge, and natural leather with ordered combination, and has good health care and therapeutic effects. The seat cushion is characterized in that: the magnetic field intensity is low, the penetrating force is strong, and the seat cushion have the effects of dredging the meridians, alleviating pains, promoting blood circulation and metabolism by effecting corresponding tissues and organs of human body; the natural tourmaline sheets are uniformly distributed the centers of matrix magnetic groups and can release negative ions and far-infrared rays and neutralize carbon dioxide, formaldehyde, benzene and other harmful gases in the air to achieve the good effects of purifying indoor environment, improving microcirculation, and releasing fatigue; the tourmaline sheets support the natural rattan cane webbings of the summer surface of the seat cushion to form a hollow breathable layer; and the natural rattan cane webbings, natural leather and memory sponge have strong permeability, thus the seat cushion is environmentally friendly and comfortable. The seat cushion is usable in summer and winter, has the functions of health preservation and health care, and can prevent and condition diseases.