Restaurant is a business that prepares and serves food and drinks to customers. Meals are generally served and eaten on the premises. Then people will come to the restaurant they like based on food, their service way and cleanliness either inside or outside the restaurant. The problem is they are facing problems with pest or insect that attracts to food and garbage because of odour. To maintain cleanliness, the restaurant owner will use a chemical product. That should we as a human must avoid from using chemical, it will give bad effect in the long term of our bodies. Using EM for all these applications will take care of these problems and save the restaurant owner time and money.