N,N'⁃methylenebisacrylamide (MBA) is used as a crosslinking agent, octadecyl acrylate (SA) is a hydrophobic monomer, and dimethylaminoethyl methacrylate (DMAEMA) is a hydrophilic monomer. Vinyl porphyrin (MTPP) is a photothermal monomer, and PSDM⁃MTPP shape memory hydrogel with red light responsiveness was successfully prepared by free radical copolymerization. The experimental results show that a low light intensity (<528 mW/cm2) and a short irradiation time can motivate the PSDM⁃MTPP hydrogel recover to original shape. Moreover, maintaining multiple intermediate states and regioselective responses. This shape memory gel with fast response, high recovery rate, remote control and spatial selectivity has potential application value in biomedical field. The obtained shape memory hydrogel with fast response, high recovery rate, remote control and spatial selectivity provided potential application in biomedical field.