Kiwi originated in China and was introduced to foreign countries in the early 20th century. In 1930s, New Zealand took the lead in commercial planting. Since 1970s, it has developed in many countries. At present, the cultivation area of kiwifruit in the world is about 6.5438+0.2 million hectares, and the output is about 6.5438+0.37 million tons. New Zealand, Italy, Chile, France, Greece, Japan, the United States and China are the main producers of kiwifruit.