Natural disasters cause serious damage to businesses in the stricken areas and greatly affect survivors' psychology and behaviors. Based on data from 206 survival employees in 33 affected firms in Wenchuan Earthquake, this study analyzes the impact of natural disaster on absenteeism, job satisfaction, and job performance of survival employees. Results indicate that after the earthquake, survival employees' absenteeism and job satisfaction (including intrinsic, extrinsic, and general job satisfaction) decrease significantly, but their task performance, contextual performance, and overall job performance improve significantly. Employees' learning and innovative performance have no significant change in comparison with that before the earthquake. The authors thus suggest that the affected businesses need to communicate with the survival employees actively, focus more on job security, compensation and working conditions, in order to maintain these employees' job satisfaction. In addition, enterprises outside the affected areas should give priority to the recruitment of the survival employees given the same conditions, because it is beneficial to both the employing enterprises and the reconstruction of affected areas.