The hazelnuts in the Inner Mongol contains oil up to about 50%，There are abundant protein and vitamin. It is freezing cold in winter in the forest zone of Daxingan Mountainrange of Hulunbeir League, It is warm and cool in summer，Annual precipitation is 400-500 mm.，Average annual temperature about is 0 ° Cs，there are about 120 days of frost-free period.