Optus is the second largest telecommunications corporation in Australia. The company has a total revenue amounted to 8.9 billion in 2015. Optus provides communication services and products directly to individual, businesses, governments and other clients. Its product offerings cover mobile product, broadband, home line, cloud solution, TV, the Internet and satellite service. Why Optus could be all the time in a leading position? In this report, there are several aspects to analysis the marketing strategies of Optus .It can be divided in to five phases.