The purpose of this research is to: 1) to study the situation of using restaurant services in Luangprabang Night gardenrestuarant, 2)to study the opinions of customers about Luangprabang Night garden restuarant 3) to find out the factors affect the decision to use services of Luangprabang Night garden restaurant. It wasa survey researchby using a questionnaire as a tool to collect and compile data from a sample group of 385 people.Use the SPSS version 20 program to find the frequency, percentage, mean value, standard deviation, and multiple regression equation to analyze the factors that affect the decision touseservicesthis restaurant. The results of the research found that the situationof the Luangprabang Night garden restuarantare that most of the consumers go to useservice 1-2 times permonth, and some go to there every day for aweek. The busiest time is between 6 o'clock and 8 o'clock in the evening. The opinion from the service users about Lat Lat Restaurant in the capital city is that after the customers have eaten at Luangprabang Night garden restuarant, they have the idea of recommending, persuading, and rewarding people they know to use the service and they think that they will come back to this placeagain. Also, the custommershave taken photos and record videos of Luangprabang Night garden restuarant to shareon Facebook (Facebook), Page, Website, etc. in order to persuade others to come toservice. At the same time, they also think that Luangprabang Night garden restuarant is the best place for having dinneroutside ofhome and they are very satisfied after the customers decide to use Luangprabang Night garden restuarant. The factors affect the decision to use Luangprabang Night garden restuarant are product factors, price factors, marketing promotion factors, operational process factors, physical characteristics factors and location factors with a statistical significance level of Sig <0.05.