The potato is one of the major crops in our country which has very big planting areas, high yield and strong adaptability, it has very high economic value and practical value in food and industry fields, therefore the potato production has great market prospects, harvesting the potatoes has become an important task. In this paper, through the introduction and contrast about main types and application status of potato harvest machinery at home and abroad, it stated emphatically the development trend of the potato harvest and the problems we were facing in our country, and pointed out that the application of mechanization and automation of potato harvest machinery would greatly improve the efficiency of potato harvesters, reduce working intensity, also it could improve potato industry in China economy.