Amino benzoate-pillared hydrotalcite was synthtised with the ion-exchange method. The intercalation conditions including the pH values, the reaction time and the molar ratio were optimized. The structure and thermal properties of the pillared hydrotalcite were determined by XRD, FTIR, SEM and TG-DTA. The results indicated that amino benzoate was successfully intercalated into the interlayer of hydrotalcite and the interlayer space increased from 0.76 nm to 1.55 nm. SEM photographs showed that the layer surface of the pillared hydrotalcite became rough and irregular.