Nowadays, Ludwig Angina (LA) is a terrifying disease for physicians despite the development of modern dental care andappropriate antibiotic use. LA is a progressive gangrenous cellulitis of the soft tissues, including the sublingual, submentaland submandibular region of the neck and mouth. Dental infections are the most common source of the infection. Poor oralhygiene is an important predisposing factor. Airway obstruction is a life-threatening complication of LA. Hospitalization andaggressive antimicrobial therapy may require an immediatesurgical treatment. LA is a rare disease caused by odontogenicand upper respiratory tract infections in childhood. In this casereport, a 12-year-old girl who was diagnosed with Ludwig's Anjina secondary to tooth decay has been presented. The patientpresented to the emergency department with complaints of fever, dysphagia, malaise and inability to open his mouth. Oropharyngeal examination could not be performed because thepatient had trismus. Tenderness, swelling and hyperemia in thesubmental region were diagnosed. The patient was dischargedafter the parenteral antibiotic treatment and surgical drainage.The aim of this case report is to emphasize the importance ofearly diagnosis and rapid treatment in LA management and toremind that the airway should be the primary target in thesepatients.