Taiwan and Mainland China had both entered WTO. They face the global hard competition. How to correct and improve the nature of industrial structure and enterprise is without doubt very hardship and not be hesitated. Taiwan in Nov. 12, 2001 revised Corporate Law specially about the statutes of merger. Mainland China drafted Corporate Law in Dec. 29, 1993. They are planning to revise the Corporate Law or draft Corporate Merger Law. This article compare the Corporate Law between Taiwan and Mainland China, and analysis the differences. There are two purpose, one is to provide people of Taiwan interesting in law of Mainland China to know its contents; the other is to learn each other. Chapter two defines what is merger and express what are their requirements. Chapter three demonstrates Corporate Law about the system and statutes of merger and analysis its where are the differences in detail. Chapter four compares the corporate consolidation and corporate division - discussing Purchase of Assets incidentally. Chapter five makes a conclusion and suggests five points of view that may be revised Corporate Law about merger in Taiwan.