The main components of oatmeal for clearing fire are andrographis paniculata, gardenia and Ophiopogon japonicus. The auxiliary materials are starch, sucrose, magnesium stearate and talcum powder. At present, the Qinghuozhi cereal on the market is mainly sugar-coated tablets, which are brownish green or yellowish brown to brownish brown after removing the sugar coating; It tastes very bitter.

Clearing fire and treating oatmeal has the functions of clearing away heat and toxic materials, cooling blood and reducing swelling, and is suitable for sore throat, fever, toothache and red eyes caused by excessive lung and stomach heat.

Calcium tablets generally produce organic calcium from calcium carbonate, calcium acetate or calcium phosphate. When they are put together, there will be no chemical reaction.