Acute streptococcal gingivitis is an acute inflammation of the oral mucosa and also seen with the other oral diseases as aggressive periodontitis. Streptococcal infections of gingiva are seen rarely; also the origin of this gingival inflammation is occasionally different from that of routine plaque associated gingivitis. This case report describes a patient who presented with severe gingival inflammation and attachment loss that was diagnosed as an acute streptococcal infection associated with aggressive periodontitis. A case of aggressive periodontitis with streptococcal gingivitis was reported which was diagnosed treated with no postoperative complications.