Favorable organizational climate has positive effect on employee's knowledge sharing behavior. By employing the statistical tool SPSS11.5, and analyzing the 320 research samples come from the industries such as IT, chemical, finance, and so on it looks at the incentive effect of innovational climate, fairness climate, support climate, human relationship climate, and identity climate in the organization to employee's informal knowledge sharing behavior. The conclusion shows that only fairness cilmate and identity climate have significant incen...