The implement of the system of the professional credentials and the profession training certificate has played an important role in upgrading people s perfor- mence and employment,especially for the electronic specialized student,in order to win the intense competition in obtain- ing employment,the electronic profession.

The new situation of forestry development by leaps and bounds sets a still higher demand on the training in forestry sector, but it gives us a golden chance, too.

Concept description of data mining was used to calculate t-weight and d-weight of target-class and comparision-class of VIP customer of training industry.