Vegetables for clearing away heat and toxic substances are more common, and the common vegetables include cucumber, mung bean, bitter gourd, wax gourd, broken ear root, purslane, etc. These vegetables are cold and cool, and have good effects of clearing away heat and toxic substances.

1, Cucumber: Cucumber is cool and sweet, and belongs to spleen, stomach and large intestine meridian, which has the effects of clearing away heat and toxic materials, promoting fluid production and quenching thirst;

2, mung bean: mung bean is cool, sweet, heart-warming, stomach meridian, with the effects of clearing away heat and toxic materials, diuresis, relieving summer heat and relieving annoyance, quenching thirst and strengthening stomach;

3, bitter gourd: bitter gourd is cold, bitter, and has the effect of clearing heat, improving eyesight, diuresis and clearing heart;

4, wax gourd: wax gourd is cool, sweet and light, and belongs to the lungs, large intestine and bladder meridian. It has the effects of clearing heat and promoting diuresis, detumescence and detoxification, promoting fluid production and relieving annoyance, and benefiting gallbladder;

5, broken ear root: also known as Houttuynia cordata, cold in nature, bitter in taste, belonging to the lungs, large intestine and bladder meridian, with the effects of clearing away heat and toxic materials, eliminating abscess and discharging pus, inducing diuresis to reduce swelling and stranguria;

6, Portulaca oleracea: Portulaca oleracea is cold, sour, heart, liver, spleen, large intestine meridian, with the effect of clearing away heat and toxic materials, diuresis and dampness, dispersing blood and reducing swelling.

Because the above vegetables are cold and cool, they should be banned for patients with stomachache, diarrhea, chills, and irregular stools.