Abstract:The low reliability of links in wireless mesh network always leads to instability and discontinuity, and proactive rerouting can relax that pressure. The self-healing strategy of wireless mesh network based on loop free alternative rerouting is researched. AODV routing is extended to support loop free alternative and AODV-LFA routing is presented. The simulation shows that AODV-LFA is more effective than AODV for self-healing of wireless mesh network.