Dermatological diseases affecting the pediatric age group are discussed in this chapter. Author discussed about lichen planus, pemphigus vulgaris, paraneoplastic pemphigus, epidermolysis bullosa acquisita, epidermolysis bullosa, progressive systemic sclerosis and the crest syndrome, Kawasaki disease, dermatitis hepetiformis, dermatomyositis, ectodermal dysplasia, white sponge nevus.