Laparoscopic operations (LO) of adults are performed as a routine in many departments, while LO in children are only at their onset. During September 1994 to May 1995 at the Clinic of Paediatric Surgery and Traumatology in Brno the first 100 LO and two thoracoscopic operations were performed. The group is formed by children aged 3 to 17 years. Their mean age was 10.6 years. The number comprised 14 acute operations, the remainder were planned operations. There was no perioperative fatality. Complications included one abscess of the Douglas bag, once the necessity of minilaparotomy on account of minor haemorrhage after resection of Meckel's diverticulum by means of endoGIA and once because the size of the tumour. Early conversion was necessary in two patients.