Celery has the effect of calming the liver and lowering blood pressure, calming the mind, diuretic and swelling, preventing and fighting cancer, nourishing the blood and replenishing the deficiency, cowpeas cowpeas have the effect of strengthening the spleen and tonifying the kidney, as well as a great deal of good for the digestive function of the stomach, and onions have the function of calming the liver and moistening the intestines. One of the bad things about celery is that it has too much dietary fiber, which tends to take away the nutrients that the body hasn't had time to absorb. Three kinds of fried vegetables at the same time without much problem.