This report provides a detailed overview of the legal issues involved in e-commerce. It begins by defining e-commerce and its various forms, including B2B, B2C, C2C, and C2B transactions. The report then explores the scope and characteristics of e-commerce, highlighting the tools, capabilities, and advantages it offers to both buyers and sellers. The core of the report focuses on the significant legal challenges that e-commerce businesses face, including data privacy, copyright and trademark protection, e-contracts, data protection, and supply chain and service management. Each of these issues is discussed in detail, with an emphasis on the potential legal consequences of non-compliance. The report concludes with a recommendation for e-commerce companies to prioritize data protection, adhere to copyright and trademark regulations, and follow established laws regarding supply chain, delivery, and customer service management. It underscores the importance of building consumer trust and maintaining ethical business practices in the online environment.