The purpose of this study is to derive implications for introduction by looking at the main issues to be reviewed in the introduction of the personal budget system in the field of social services in Korea, focusing on allocation, benefit, delivery system, and finance. To this end, the personal budget system of five countries (UK, Germany, Sweden, Netherlands and Australia) was carefully analyzed along with a comprehensive literature review on the concept, characteristics, background of appearance, philosophy, and relevance to social services. As a result of analysis of five countries, most countries did not place restrictions on the use of the system according to age, type of disability, and income level. Second, benefit can be received in cash or in-kind benefits depending on the user's choice. Third, system use showed similar procedures of application, assessment and approval, contract, and use of benefits. Fourth, finance was divided into insurance method and tax method. Based on the results of this study, major issues in introducing the personal budget system in the field of Korean social services were summarized and presented.