The first of the four famous walnuts is the chicken heart walnut, the official hat walnut, the young master's hat, and the lion's head walnut.

1. Chicken heart walnut is one of the four famous walnuts in the suburbs of Beijing, Hebei, Shanxi and other places. Chicken heart walnuts are named because they look like the heart of a chicken. Chicken heart walnut is an important variety among Wenwan walnuts, and it is also a common variety and is deeply loved by the public.

2. Guanmao walnut is a large series of Wenwan walnuts. It is one of the four famous walnuts and is also a treasure among Wenwan walnuts. The so-called official hat is named after the long shape of the walnut. The shape of the walnut pattern is like the official hat of ancient officials, hence the name.

3. The young man’s hat is a kind of walnut. When viewed from the front, the sides of Gongzihat walnuts are fatter and wider, with an obvious trend of horizontal development. They are rounder, fuller, larger in curvature, and the sides are obviously wider than ordinary walnuts.

4. Lion head walnut is a large series of Wenwan walnuts. It is one of the four famous walnuts and is also a treasure among Wenwan walnuts.