Non healing ulcers are those which do not heal by conservative therapy within six weeks. The clinically most significant chronic wound in terms of epidemiology and health economics are venous stasis ulcer, wound and wound healing disorders in diabetes mellitus and pressure ulcers in immobile patients with reduced general condition. The treatment of the non-healing ulcers involves treatment of the cause, wound cleaning and dressing properly, maintenance of the personal hygiene, management of the infection and wound closure. The present article reports the wound healing properties and efficacies of the Unani formulation (Kundur, Mur, Aelwa, and Dam-ul-Akhwain) in non-healing ulcers.