Introduction
Along with the increasingly complicated and multicultural environment, it is universally acknowledged that project management guides and dominates the achievement of a project and the operation of an organisation. Projects, as the familiar concepts, have aroused infinite attention as the consequence of the increasing market pressure, improvement of technology and the needs for innovation. Concurrently, the existence of a series of variables, which relate to the project constraints, is what the project management should deal with and can be also regarded as the objective of project management. In this case, the objective of project management and the major variables will be described and analysed in this article.

Objectives of project management
In terms of the results of projects, achieving those outcomes ought to be the destination of the objectives. The target of the establishment of a project is to achieve what the project expects to succeed, which refers to a process from a concept of an expectation to a realistic outcome. The achievement of project relates to the project outcomes which depend on the explicit identification and definition of both tangible and intangible outcomes; meanwhile, tangible outcomes ought to be transferred from intangible to tangible (Nogeste & Derek 2005, p.56). Taking the roles of project managers into consideration, they should identify the responsibility and the ability to manage the operation of the project in order to realising the achievement. Vaagaasar (2011, p.294) stated that the process of management, that how knowledge and technique development occurs in projects and how they can be applied among on projects, had been proved to occupied significant position.

From a specific aspect of the objectives, project management intend to manage the decisions including task, resource, time and cost. Initially,