The invention relates to a binding and reinforcing device for cargo loading and transport and in particular relates to a steel wire rope fastener. The steel wire rope fastener comprises a pair of installing plates arranged in parallel; a ratchet shaft and a pawl shaft are installed between the two installing plates in tandem; the ratchet shaft is in rotary fit with the installing plates and is provided with a steel wire rope penetration hole and is fixedly provided with ratchets; the pawl shaft is fixedly connected with the installing plates; the pawl shaft is sleeved with pawls matching the ratchets; the pawls and the pawl shaft are in rotary fit; resetting springs are arranged between the pawls and the installing plates; locking and sealing mechanisms are arranged between the pawls and the installing plates; each locking and sealing mechanism consists of a protrusion at the rear portion of a pawl and a notch which is formed at the corresponding position of the edge of the corresponding installing plate and matches the outer contour of the protrusion. The steel wire rope fastener is simple in structure, low in cost, great in applicability, safe, reliable and convenient to operate.