Mechanical and electrical products play an important role in international trade export and have become powerful support of foreign trade in China.The international competitiveness level of it plays a crucial role in promoting overall level of international competitiveness of China.Measuring international competitiveness of mechanical and electrical products in China through international market share and revealed comparative advantage index, it is found that international competitiveness level of mechanical and electrical products in China is relatively high, but exported products are still labor intensive with low added value and lack technological innovative ability.Therefore, in order to improve export competitiveness of mechanical and electrical products in China, it is necessary to improve technological innovative ability, implement diversified market strategy and set up brand consciousness.