Lichen planus is an chronic mucocutaneous condition that affect adults and is uncommon disease for a child, but in rare condition it may affect children of any age. In this case a 6 years old female child presented with oral ulcerative lichen planus that involves the dorsum of the tongue and right buccal mucosa for past 6 month. She also hadextroral manifestation of lichen planus involving the hand wrist region and ankle of the knee region. Oral Lichen planus was confirmed with the clinical and histopathological features. Patient was under treatment for both intraoral and extra oral manifestation.