The reason why the business license of Lego organization needs the approval of Science and Technology Bureau is because the main business of Lego organization involves the field of science and technology. The Science and Technology Bureau is responsible for the management and supervision of the urban science and technology industry. For enterprises engaged in the field of science and technology, technical examination and certification are needed to ensure the scientific and technological level and product quality of enterprises. When applying for a business license, the Science and Technology Bureau will review the technical strength, product quality and intellectual property rights of the Lego organization to ensure that its activities in the field of science and technology meet the requirements of relevant laws and regulations and protect the rights and interests of consumers.