Walnuts are widely distributed in China, north to Heilongjiang, south to Yunnan, Guizhou, west to Xinjiang, east to Shandong, Liaoning, the vast majority of the country's regions have the distribution of walnuts.

As for the distribution of walnuts in line with the standard play, mainly from North China, Northwest, Northeast and Southwest play walnut.

Among them, Beijing, Hebei, Tianjin, Shanxi and other places of the most prominent quality of the play walnut, but also the origin of the traditional fine varieties.