Medicinal efficacy: calming liver and clearing heat, promoting diuresis and treating stranguria. Indications are hypertension, dizziness, headache, red eyes, bloody stranguria, dysuria and carbuncle. Dietary taboo: In winter, people often feel thirsty, irritable and unwell. Eating celery often helps to clear away heat and toxic materials, get rid of diseases and strengthen the body. Celery is cool and slippery, so those with spleen and stomach deficiency and unstable intestines should be careful when eating it.