The Preliminary technical standard of CS digital television broadcasting system was approved in the TTC (Telecommunications Technology Council) this March. The standard which was made in the ARIB (Association of Radio Industries & Business), former BTA (Broadcasting Technology Association)) consists of source coding, multiplexing, channel coding and conditional access subsystems. The test of the digital television broadcasting system complied with this standard was conducted by ARIB. The test results satisfied required functions and performances specified in the standard and was submitted to the TTC. The standardization was completed in the TTC this July. This paper presents this test results.