Poker machines in Australia have one of the highest concentrations around the world, eighth on the charts with 2.4% of the world’s total (Allsop 2008, p. 13). The Productivity Commission points out that poker machines are the second most popular form of gambling activity with 39% of the population gambling last year in Australia (Dowling et al. 2005). Poker machine gambling has increased heavily over the past decade (Young et al, 2011). In 1995 Victorian Casino and Gaming Authority state that 20,000 electronic gambling machines were installed in Victoria (Brown, 1995). According the Victorian Commission for Gambling Regulation’s Annual Report, 2009- 2010 showed over 26,000 electronic gambling machines were operating in over 550 places (Frost 2011, p. 1). Almost all people enjoy playing poker machines to reduce stress, and also want to win a lot of money. However, in recent years, modern society has begun to question the affect of poker machines to players, and the government has considered banning or restricting it. Most gamblers believe that poker machines need to increase in clubs, casinos and even pubs where they can come when feeling lonely. In addition, the main reason to play gambling that " gives them pleasure and fun (73%), and helps them to socialize with family and friend (66%) and relax (61%), nearly 70% gamble for the chance to win extra money" (Hing et al, 2012). However, this essay will argue that the administration should prohibit poker machines in Victoria for several reasons: people can become addicted to gambling, the results may lead to social problem and family problems, and the taxation revenue from poker machines are of unclear benefit. Firstly, gamblers could become addicted to poker machines. There will be increase problem health. For example, Thomas and Jackson provide that “problem gamblers are four times more likely to have problems with alcohol and four times as likely to smoke daily than non problem gamblers” (Problem Gambling, nd). Besides players have spent too much time (about five or six hour) on playing poker machines ( Jacobson, 2003). As a result regular players would affects health, causing sleep problems, anxiety, stress, reduce eyesight, increase obesity. Crisp et al provide that over 46% of gamblers need to help from problem gambling services in Victoria (Clarke et al, 2012). In addition, almost people who are kept playing poker machines, always desire a big wining with a lot of money. But poker machines mislead them on probability of winning. For example, according to state law, between 85% and 90% of total amounts of funds need to be returned to players throughout the time (Cummings, 2011). However, the Productivity Commission reports high-intensity punters can spend $1500 or more in an hour (Problem Gambling, nd). Furthermore “the Commission found that 30 per cent of regular poker machine users are problem and at risk gamblers” (Borrell, 2011). As a result, players would not have a chance of having a good job or career. Secondly, pathological poker machines affect the problem gambler's family. Happiness families often lose after playing poker machines. For example, about 10 per cent of gamblers are caused relationship break down and divorce, the same per cent directly relate between violence and gambling (Better Healthy Channel, nd). As a result the emotional climate in the problem gambler's family can typically characterized by distrust and insecurity, and emotional and psychosomatic difficulties are common. In addition, gambling also impacts on their partners and family members. Particularly the children are imitated their parent playing gambling easily. For example, Hebron is a health educator point out that 62 per cent of young people has joined in playing gambling that are illegal (Colman, 1998). Besides Professor Susan Moore and Dr Keis Ohtsuka present that 5 per cent of students have borrowed money to play gamble or pay gambling debts, and also 5% of students have spent