Objective: To develop the continuous adding test for Nationwide Conscription.Method: The computer-based continuous adding test was developed and was administered to 24019 recruited young people among China and 1900 new recruits. When the 3-month-depot training finished, the 228 supervisors of the soldiers were investigated on the soldiers' working performance based on intelligence. Through the data, the test mode and cut-off scores were developed, and the reliability and validity was analyzed. Results: the cut-off scores were that finishing 26 items successfully in 120 seconds and the correct rate was higher than 30%. The retest reliability was 0.78 and the academic statues and the predicting congruence rate of the test was 94.7%.Conclusion:The continuous adding test was applicable as one of enlistee's primary qualification test.