The tender leaves of Polygonum aviculare can be used as medicine and generally grow on the roadside, wasteland and river in the wilderness. Has diuretic, heat-clearing and insecticidal effects, and can be used for treating heat stranguria, leucorrhea, ascaris lumbricoides, hemorrhoid swelling and wet sore.

2. Lysimachia christinae

Lysimachia christinae can be used as food, and the whole herb can be used as medicine. Has the effects of clearing away heat, promoting diuresis, expelling pathogenic wind, relieving pain, stopping bleeding, promoting granulation, diminishing inflammation, detoxicating and killing insects.

3. Jerusalem artichoke

Jerusalem artichoke has high nutritional value, and its tubers or stems and leaves are beneficial to water dehumidification, clearing heat and cooling blood, and benefiting stomach and stomach.