Ferrous sulfate is available in tablets and extended-release tablets, of which the generic name of tablets is Ferrous Sulfate Tablets and the generic name of compound ferrous sulfate is Compound Ferrous Sulfate Folic Acid Tablets, and the differences include different properties, different properties, different ingredients and so on. 1. Different properties: ferrous sulfate tablets are non-prescription drugs, and compound ferrous sulfate folic acid tablets are prescription drugs. 2. Different properties: Ferrous Sulfate Tablets are iron oxide red sugar-coated tablets, showing light blue-green color after removing the sugar coating. Compound ferrous sulfate tablets are sugar-coated tablets, removing the sugar coating shows yellowish brown. 3. Different ingredients: ferrous sulfate tablets are composed of ferrous sulfate, and compound ferrous sulfate folic acid tablets are composed of ferrous sulfate, folic acid, dry yeast, angelica, and so on. Specific drugs should be used correctly under the guidance of a doctor to avoid adverse reactions to private medication.