1, shape difference: black beans relatively large and round; black kidney beans oval and flat. 2, color difference: black beans black luster; black kidney beans black bright color. 3, bean kernel difference: black beans are divided into green and yellow; black kidney beans are usually white. 4, soak color: black beans are red; black kidney beans are black. 5, efficacy difference: black beans have beauty, black hair, cardiovascular effects; black kidney beans on qi, blood, gastrointestinal, blood vessels good effect.

A, shape difference

1, black beans: the shape of the black beans than black kidney beans to be larger, most of them are round.

2, black kidney beans: relative to black beans to be a little smaller, most of them are oval and flat.

Two, color difference

1, black beans: the surface is usually black, and no gloss, as if the black hole in general absorbed the light color.

2, black kidney beans: the surface of the black shiny black, is commonly known as matte color, looks pretty good.

Three, bean kernel difference

1, black beans: bean kernel inside the green and yellow two kinds, black soybeans are green, black small beans are yellow.

2, black kidney beans: general bean kernel inside is white.

Four, soaked in color

1, black beans: black beans boiled in water after the color of crimson, black beans pigment is actually not black, but red pigment.

2, black kidney beans: the color of black kidney beans after boiling water is black, and the color loss is very strong.

Five, efficacy difference

1, black beans: often eat black beans, can soften blood vessels, moisturize the skin, delay aging, especially for high blood pressure, heart disease and other patients are beneficial, blood, water, wind, clearing the heat and detoxification, nourishing and healthy blood, tonic deficiency and hair function.

2, black kidney beans: very suitable for heart disease, arteriosclerosis, hyperlipidemia, hypokalemia and salt avoidance patients to eat, but also has the warmth of the lower gas, stomach, stomach, stopping eruption, benefit the kidneys to replenish the vital energy and other functions.