Humic acid sodium is a black crystal bright, shining beautiful luster of non qualitative particles. It is odorless and corrosion-free, very easy to water. It is mainly used for astringency, hemostasis and diarrhea. It is used for emesis, hematochezia, diarrhea, vomiting, abdominal pain, diarrhea in children, diarrhea due to spleen deficiency and diarrhea for a long time.