Injection laryngoplasty is a surgical procedure that has gained popularity in recent years owing to its low procedural cost, technical feasibility and clinical efficacy. It provides functional voice improvement to patients with glottic insufficiency and can also be use as an adjunct to laryngeal framework surgery. The purpose of this article is to provide a guide to patient selection, various injection materials as well as injection approaches for this procedure based on current evidence as well as our experience in this procedure.