HUMIC ACID IS WIDELY USED IN NATURE, WHICH IS WIDELY USED IN MANY FIELDS SUCH AS AGRICULTURE, FORESTRY, ANIMAL HUSBANDRY, PETROLEUM, CHEMICAL, BUILDING MATERIALS, MEDICINE AND HEALTH, ENVIRONMENTAL PROTECTION AND SO ON. IN PARTICULAR, IT IS NOW PROMOTING THE CONSTRUCTION OF ECOLOGICAL AGRICULTURE, POLLUTION-FREE AGRICULTURAL PRODUCTION, GREEN FOOD, NO POLLUTION, ENVIRONMENTAL PROTECTION, ETC., MORE SO THAT THE HUMIC ACID IS HIGHLY RESPECTED. FACTS PROVE THAT HUMAN LIFE AND LIFE CAN NOT BE SEPARATED FROM HUMIC ACID.