In this paper, the design of the infrared beamline BL01B at Shanghai Synchrotron Radiation Facility (SSRF) has been preformed. The present status of this beamline will be described. This beamline is under construction. It utilizes both edge radiation and bending magnet radiation by using a unique extraction optics system. The expected performances of the beamline have been discussed. Moreover, the endstations and main research fields have been described.