A deep neck infection is a bacterial process in a potential space bounded by aponeurosis. The infection can spread to any of them and shoot quickly and easily with the vital structures of the neck. Performed a retrospective study of 12 patients with the diagnosis of deep neck abscess, which were seen between 2000 and April of 2011. As inclusion criteria took into account only those drained by cervicotomy. There was a predominance of females. The focus of origin was the most frequent odontogenic soon pharynges-tonsillary not determined the cause to a certain percentage. The main symptoms were dysphagia / odynophagia, feeling feverish, pain in the tumor, burning throat, dysphonia, and general malaise. How much were the main signs oropharyngeal abnormality, a cervical tumor, abnormal teeth, the trismus and cervical adenopathy, mainly. Most patients received some type of antibiotics before being hospitalized. The exams were the most commonly used blood count, hemoglobin, average buffy coats where the count was 11.345 / mm ³, and 36 percent of patients had leucocytosis with left deviation. The gram and cultivation were performed in a few patients, which predominated the Stafilococo Aureos. There were no deaths. Presented complications in a low percentage of patients. Very interesting because most cases are very serious and underestimated.