A 2 and A 4 pulleys are the most important biomechanical structures for the fingers flexor apparatus. A 2 pulley injuries originate clinical and functional distress not only to the finger itself but also to the hand as a whole. Hereby, we present a case report of two previously trigger finger patients who underwent to a release surgery and presented bowstring complications after the surgery, as well as a literature review on diagnosis and treatment of this kind of complication.Evidence level: IV