The invention relates to a method for analyzing and detecting a fire-resistant coating product, comprising the following steps: at least one thermal analysis instrument is utilized to analyze a fire-resistant coating of the fire-resistant coating product to obtain a relation graph of weight loss and temperature and a relation graph of temperature difference and the temperature on the basis of theinterrelation of weight changing following the change of the temperature and the interrelation of heat changing following the change of the temperature; and then temperature values corresponding to each peak value point of the relation graphs are collected to establish an identification code which can indicate the property of the fire-resistant coating and also has an anti-counterfeit function, thereby the property of the fire-resistant coating can be effectively identified by establishing the identification code so as to prevent the false use or the misuse of counterfeits from being generated again and again.