The aims of this research were to: 1) study the conditions and the problems of communication for promoting on Thai Lanna cultural tourism conservation in the area of the four provinces in the upper part in the north of Thailand in accordance with The Act of National Tourism 2008 and The National Tourism Management Plan 2012- 2016; 2) design the communication model for promoting tourism on Thai Lanna cultural conservation in the area of four provinces in the upper Northern region 1 of Thailand in accordance with The act of National Tourism ...