The differences between pea and bean are: different reference, different usage and different emphasis.

First, refer to different

1, pea: peas, peas.

2, beans: beans, kidney beans.

Second, the usage is different

1, pea: any of varied edible seeds of plants of the family Leguminosae used for food, an edible seed used as food.

2. bean: the seed of a pea plant used for food.

Third, the focus is different

1, pea: Focus on edible beans.

2. bean: Focus on legumes.