Today the DNA Testing is considered as one of the most popular testing process to solve out the problem that was generated due to identification of the person relation ship. It uses a lot of method to find out the best results to solve out the problem that was generated due to identification of the relationship between two members. Now it is also so useful in the term of the Drug Test. In this system they use the DNA for the find out the measurement of drugs. It also provides the best way and ideas for the process of the Workplace Drug Testing.