Fire-retardant energy-saving door

The utility model relates to a fire-retardant energy-saving door, a panel of which is made of a fire-retardant solidified plate made of magnesia, magnesium chloride, sulphuric acid (or trisodium phosphate), pulverized coal ash and mixed water slurry; a wooden frame is used as the framework of the utility model, and a light material (a polyphenyl foam board or corrugated paper) is used as a core material; the utility model is formed by one-step compression molding via a pressing machine, and the structure of the utility model discloses in picture 1. The utility model has the maximal characteristics of fire retardation, fireproofing, heat insulation, energy saving, wood saving, firmness and durability, long service life, low price and wide purpose; the utility model is never deformed and can be used in hotels, restaurants, institutions, schools, civil buildings, etc.