The management of diabetic foot ulceration presents a complex clinical challenge due to the interplay of numerous contributing factors, frequently culminating in limb amputation. Consequently, a multidisciplinary approach is essential to address the diverse therapeutic needs of patients with diabetic foot conditions. However, in cases of complex wounds, surgical intervention becomes unavoidable. Surgical strategies encompass both limb preservation through reconstructive procedures and, when necessary, amputation. Reconstructive surgery, particularly free flap procedures, plays a crucial role in limb preservation by providing well-vascularized tissue to promote healing, combat infection, and restore function. Preoperative planning, including vascular assessment and potential revascularization procedures, is critical. Surgical procedures like debridement, bone resection/reconstruction, and tendon/joint management are often necessary prerequisites for successful free flap placement. Postoperative care and long-term management are crucial for the success and durability of free flap reconstruction. Functional outcomes, including ambulation and quality of life, are significantly improved with successful reconstruction. While free flap success rates are high, long-term considerations such as patient education, glycemic control, vascular surveillance, and multidisciplinary care are essential to prevent recurrence and optimize patient outcomes. This chapter aims to provide a comprehensive introduction to the use of free flaps in diabetic foot reconstruction, exploring the current landscape of treatment and highlighting an alternative free flap option.