Green beans usually take 8 minutes to fry before they are cooked. Taste the green beans with your mouth when they lose their original green appearance. If there is no green bean smell, they are ripe. Moreover, the green beans must be fried and discolored before they are cooked.

Green bean is a kind of vegetable with high nutritional value. It contains a lot of high-quality protein and some unsaturated fatty acids. The contents of sulfur iodine, nicotinic acid and retinol are also high. People can easily absorb and utilize these ingredients after eating it, which is beneficial to improve their health.

Green beans can strengthen the spleen and promote digestion. They contain a variety of amino acids and some soluble protein. These substances can regulate the spleen and stomach and increase appetite, which is of great benefit to loss of appetite and indigestion. In addition, green beans also have the effect of clearing heat and relieving summer heat. Eating them in summer can prevent heatstroke and also play a certain role in clearing the mouth.