Abstract: The invention provides a flame retardant/heat resistant agent and adhesive, which includes one or more oxides of phosphorus, antimony, silicon and melamine cyanurate as the flame retardant agents and which can increase both the flame retardant/heat resistance of the cloth material and the binding strength of the cloth to a variety of thermoplastic polymers. The invention can be used in strengthening applications such as thermoplastic automobile accessories such as airbag deployment doors where a flame retardance/heat resistance is also required.