The output optical power , spectra and extinction ratio of Multi-Quantum Well Super-Luminescent Diode(MQW2SLD) module with 1. 30μm InGaAsP/ InP material were measured entirely worked with different current at different temperature. It showed from the measurement that MQW2SLD as a soft threshold device ,its output optical power increases with the increasing of work current when the temperature kept unchanging ,while it decreases with rising of temperature when the operation current kept unchanging. The peak wavelength decreases with the increasing of work current ,however it increases with the rising of temperature. The 3dB bandwidth changes with varying of work current and temperature. The extinction ratio increases with the work current and temperature when the work current is higher than threshold.