This study aims to study the current situation towards to innovation management model of world heritage city museum on historical park for creative tourism in the lower part of Northern part of Thailand. 1) Formulate and check the innovation management model of world heritage city museum on historical park for creative tourism in the lower part of Northern part of Thailand with the mixed-method research by focus on Delphi- Technique. The samples are public sectors which are related to world heritage city museum on historical park and also the government sector of world heritage city museum on historical park. The data are collected by questionnaires and employed by indepth interview method. In the quantitative part this study uses multiple classification analysis: MCA to analyze the data. The samples are 18 tourists in the Sulkhothai and Kampaeng Phet historical park. The questionnaires are distributed three times to 400 tourists. The descriptive statistics is median mode average standard deviation. Absolute value of the difference between mode and median and inter-quartile range are used for considering the congruence check and confirm the data. The results find that: 1. The congruence which is obtained from Delphi technique has affected to innovation management model of world heritage city museum on historical park for creative tourism in the lower part of Northern part of Thailand as followings: As for strategic factors 1.1) Structure Management 1.2) Participation with public sector and local community 1.3) Domestic management of museum 1.4) Public management of museum 1.5) Public relation factor 2) As for quality service factor (SERVQUAL) 2.1) Practical service factor 2.2) Reliability 2.3) Responses factor 2.4) Confident factor 2.5) Concerning of employee 2.6) Concerning of historical park 3) Successful factors (HISTOQUAL) 3.1) Friendly and polite staffs 3.2) Readiness to spend time with tourists 3.3) Functional area for tourist 3.4) Convenient and practical time for tourists 3.5) Content in the event 3.6) Solid content in the event which is explainable to tourist 3.7) New and modern technologies 3.8) Manual guide for professional tourism 3.9) Practical and easy instructions 3.10) Attractive museum structural and building 3.11) Practical and welldetailed information for tourists 3.12) Cleanliness of both inside and outside the museum area 2. The synthesized finding from the return questionnaires from specialist shows that the criteria for set up the congruence of the data from statistic which has the possible median which could occur from the range between 4.00-5.00. Also interquartile range is less than or equal 1.00 (IR < 1.00) and the differences between median and mode is not more than 1. 3. The Multiple Classification Analysis : MCA finds that the factors which influencing successful factor innovation management model of world heritage city museum on historical park for creative tourism in the lower part of Northern part of Thailand is strategic factor which is composed of domestic management level factor has the beta value = .450 public management level has the beta value = .384 and the least beta value is participation with public sector and local community which has the beta value = .184 consecutively. Also the quality factor is affected to successful factor in the beta value of .731 From the results this study reveals the practical model for innovation management model of world heritage city museum on historical park for creative tourism in the lower part of Northern part of Thailand. The model is SERVHISTOQUAL-Satisfaction- Service Quality Model which is confirmed by 18 specialists and 400 tourists which is could be divided in 3 parts as followings: 1) Manufactures 2) Management sector 3) Consumer sector. In addition it includes the practical manual guide instruction for creative tourism in Sukhothai and Kamphaeng Phet historical park.