This report is the part of Sufficiency Economy Subject. Which substance regulate with application Sufficiency Economy in business. Ordered by Aj. Pakphum Pakvipas. Our making decision is choosing “Ban Kun Tum” to do this project. According to popularity of people in Chiang Mai. Therefore we will middleman to declare their secret key. Why this restaurant be well known as business which apply principle sufficiency economy. So this business start with inspirations of to grade 10 student, theirs name is Aue and Joe they interest in “Planting Organic farm”. Ohkajhu is restaurant that emphasized to organic vegetable. The product is about salad and steak. There was a systemically processing. So the cooking performance is very clean. First, using theirs owned vegetable which organic and used organic fertilizer to maintain quality of soil. Because Ohkajhu concentrated about healthy trend. Therefore, competitors is surrounding healthy restaurant but Ohkajhu has a signature and standpoint. Not only organic vegetable but also special planting technique such as Hypotonic planting and system management water. However, customers can visit and take a photo in farm. Moreover, Ohkajhu always have promotions in special event or festival such as give vegetable and give customers for free. So the social network is useful to this restaurant. Because it easy to share to social. It made popularity wide spread in people “ohkajhu”