Robot-assisted lateral neck dissection for thyroid cancer can avoid a large cervical incision and preserve neck appearance while offering advantages over traditional open or endoscopic surgery in completing complex lateral neck lymph node dissection, with three-dimensional high-definition vision, stable camera control, and refined manipulation with articulated instruments. Because lateral neck dissection involves a broad operative field, complex anatomy, and demanding complication control, a standardized procedure based on a clear understanding of the approach and regional anatomy is essential. Based on 548 cases of robotic lateral neck lymph node dissection for thyroid cancer via the bilateral axillo-breast approach (BABA), the procedure mainly includes adequate flap dissection, exposure of the lateral neck compartments, and compartment-oriented dissection of lymphatic-fatty tissue in levels Ⅱ, Ⅲ, and Ⅳ. Critical steps include standardized exposure and protection of the sternocleidomastoid muscle, internal jugular vein, vagus nerve, accessory nerve, thoracic duct, and phrenic nerve, with particular attention to low level Ⅳ lymph nodes, branches of the internal jugular vein in level Ⅲ, and the narrow operative field in level Ⅱ. Reproducible strategies for approach selection, dissection sequence, field maintenance, neurovascular protection, and complication prevention may improve the safety, completeness, and standardization of robotic lateral neck dissection for thyroid cancer.