Depending on whether you are nutritious or delicious, generally you can't have both, because the nutritional oil temperature is about 100 degrees, that is, adding chopped green onion can fry bubbles, without oil smoke, and adding vegetables, it looks 8 ripe if you fry too much. In order to taste about 200 degrees, smoke a little, put salt in the wok, and it looks 6 ripe, just fine.