A risk assessment system and a data processing method are provided. The risk assessment system includes an analyze device and an electronic device. The analyze device generates at least one decision table according to a plurality of data and context features of the plurality of data. Each of the decision table has a plurality of entries, and each of the entries includes at least one of determining condition and probability information corresponding to a specific result. The electronic device communicates with the analyze device. The electronic device receives the decision table and compares the determining conditions of each entries with current conditions of an assessee. When the current conditions are the same to the determining conditions of a specific entry, the electronic device displays the determining conditions and the probability information corresponding to the specific entry.
