The researcher referred about the origin of Hajj pilgrimagesince age of Ibrohim which is the original place of Hajj pilgrimage in nowadays (P.13-17). It’s also told aboutHajj Pilgrimageof Muhammad (P.48-53), the advantages of Hajj (P. 19), the pattern of Hajj (P.24-25), prohibition of Ihram wearing (P. 25), fine (P. 26), Hajj practices in 6 steps (P. 27-31 and the table on page 44), the five necessary practices  (P. 31-73), the seven  rules of Hajj (P.37-41), steps of Hajj pilgrims (P. 41-45), important places for Hajj pilgrimage (P.58-62), the history of Hajj pilgrimage in Thailand (P.64-71), the preparation of asset, body and soul for Hajj pilgrimage (P.72-78), knowledge preparation (P. 79), problems and solutions (P.98-100), Hajj pilgrimage in Muhammad norm and Allah acceptance, and Hajj pilgrimage in case of incomplete practices (P. 4). The researcher emphasized the study about Hajj pilgrimage in Islam and how much Thai Muslims follow the practices for Hajj pilgrims guideline. The main topic is the mistakes in Hajj such as unfollowing Islam practices, misunderstanding in Islam, ignorance and carelessness (P. 54-57, 102-106). However, the Islamic scholars mostly express that in Thailand, the important elements of Hajj pilgrimage are properly as Muhammad norm, less different details and achieve the aims of Hajj depending on personal intention. Moreover, Imam takes the important role for teaching the people in the right ways in Hajj (P. 119) and Allah’s acceptance.