Leek has the effects of invigorating stomach, refreshing mind, stopping sweating, arresting astringency, tonifying kidney, strengthening yang and arresting sperm.

Pogostemon fragrans has the effects of eliminating dampness by fragrance, relieving summer heat, relieving exterior syndrome, eliminating pathogenic factors, promoting diuresis, expelling wind, clearing away heat and quenching thirst, regulating stomach, stopping vomiting, regulating qi, strengthening stomach and eliminating dampness.