Introduction: Primary tonsillar tuberculosis is exceptional even in endemic country like Morocco. the diagnosis was ‘not evocable on clinical signs because of their non specificity, diagnosis made after surgery and histological analysis.no primary location been found on radiological pulmonary exam. Case report: Herein, we report the exceptional case of a primary tonsil tuberculosis discovered in a 12 years child .no specific local or general symptom was observed. confirmation made by histology. Actually, the child is doing well under therapy. conclusion: primary tonsillar tuberculosis is exceptional, only histology can confirm the diagnosis. Thus, must make us keeping in mind this eventual diagnosis, particularly in pediatric population, every time symptoms are not specific.