'A project manager or contract manager will be more adept in evaluating and selecting a contracting system that is most appropriate to the requirements of the work and conforming to the economic, legal, cost, time and quality requirements and managing it efficiently, if they are very knowledgeable in the principles and philosophy of construction law and operational aspects of the various contracting systems'. The aim for compiling this Lecture Note is to provide material and readable comment of interest and usefulness to both students and practitioners , This is achieved in eight chapters: laws of Malaysia, construction contract, contract management, construction contracting, procurement system, professional liability, construction contract studies and dispute resolution. The issues identified by this Lecture Note seem complete for anyone s findings due to the knowledge of the principles and philosophy of construction law and operational aspects of the various contracting systems is an utmost importance for contract management. Lastly, this Lecture Note is generally a useful literature into the relationship of the construction contract law and the construction contract management.