1, Huanglian soaking in water has the effects of clearing away heat and toxic materials, promoting diuresis and relaxing bowels. Of course, it can also play a role in treating excessive internal heat and eczema.

2, although Huanglian soaking in water has certain benefits, it will cause some damage to the spleen and stomach if it is not used for a long time, so it should be taken with caution. Moreover, patients with spleen deficiency and stomach cold should try not to drink the water soaked in coptis root.