Volume 1 Number 1 January 2021 PP 26-31 Intelmatics ISSN 2775-8850 * Corresponding author E-mail address: denny065001600006@trisakti.ac.id DOI: http://dx.doi.org/10.25105/itm.v1i1.7769 Received September 2 2020; Accepted September 30 2020 26 Abstract- Mc Cake is one of the business people in the food industry. Which was founded in Bekasi, West Java. Mc Cake has constraints and problems including the lack of a system that streamlines the time and division of the job desk at the company. It also shows that the sales order business process has not been integrated with the sales system at Mc Cake. The process that is currently running from the sale transaction is still done manually. In this problem, the solution considered to be able to handle the problem is by applying the concept of ERP (Enterprise Resource Planning) using the Odoo application with a point of sales module, because the advantages that can be obtained are speed, accuracy, and relatively lower costs compared to other methods. Odoo is a modular application which means it consists of separate modules but can be integrated with each other. The modules in Odoo include sales, purchase, accounting, point of sale, CRM and marketing. In addition, the business processes carried out on each Odoo module are best practices for the open source class and in general Odoo covers the business processes of MSME trading companies such as Mc Cake. Index Termss- ERP, Odoo, Point of Sales, Accounting, Sales, purchase, open source. I. INTRODUCTION GOSH currently the role of MSMEs (Business, Micro, Small and Medium) still dominates as the largest contributor to economic growth in Indonesia. According to the data, that MSMEs contribute up to 60% for national economic growth. Therefore, MSMEs can save Indonesia from the crisis in 1998. But for the era of UMKM entrepreneurs, it was very difficult to develop. Because they are inferior to large entrepreneurs who are assisted by large financial resources, so that large entrepreneurs can prepare the infrastructure needed. One of the infrastructures needed in the business world is information technology. There are several benefits when using technology in the business world. The benefits obtained by entrepreneurs are the ease of communication, the ease of conducting business process mentoring, can save production and operational costs, and facilitate business relationships in spreading information. Therefore, it seems clear that using information technology for the business world has a big influence on the development of the company. This has been utilized by large entrepreneurs with huge financial strength for large-scale investments in information technology infrastructure. There are several different things with the MSME business process. Because the profits earned by MSME entrepreneurs are not as big as those obtained by large entrepreneurs. For profit alone is uncertain, how they want to use information technology. Information technology is very expensive for MSME entrepreneurs. Over time, many technological developments are now popping up open source software that is no less sophisticated than paid software to be implemented by the MSME industry. One of the open source-based software that can be implemented by the MSME industry is the ERP (Enterprise Resource Planning) information system, one of which is Odoo application [1]. Odoo System is a business software that covers CRM (Customer Relationship Management). According to his understanding, CRM is a business strategy that combines processes, people and technology. Then the software covers project management, sales (manufacturing), manufacturing (warehouse) and financial management [1]. The problems of MSMEs as above occur also with the Mc Cake shop. Businesses engaged in culinary. At present there is no information system implemented in its operational activities. Daily routines are still manually using Microsoft Excel and Microsoft Word. This can hamper sales reporting and is often inaccurate. Of course, this can hamper the company's decision to policy on business expansion. Therefore, Mc Cake Of course, shop urgently needs an integrated information system to solve a problem. Implementing a system is not easy. Design and procedures for using information systems are needed so that they can run as expected. II. LITERATURE REVIEW A. System According to Gordon B. Davis in the book (Tata Sutabri, 2012) states that the system can be either abstract or physical. An abstract system is an orderly arrangement of ideas or conceptions that are interdependent [2]. According to Bodnar and Hoowood in the book (Muhamad Muslihudin Oktafianto, Odoo ERP Implementation Point of Sale Module at Mc Cake Denny Arie Suryo 1* , Syaifudin 2 , Teddy Siswanto 3 Information System Study 123 , Faculty of Industrial Technology, University of Trisakti S