The information done by scholars leaves a legacy of connecting scholars' knowledge brochures. The authors' processing of science gives these works their valuation. Acceptance of scholars' remaining works can be seen in studies as well as reviews from scholars. The Book of Hujjah Allah al-Balighah by Shah Wali Allah al-Dihlawi is one of the book that the studies focus on to explore his knowledge presented through the scripture. These book are more than two-hundred-year-old and it's a treasure of Islamic knowledge that can be studied in a range of methods. As a result, the purpose of this study is to introduce al-Dihlawi as a multidisciplinary Islamic scientist and to explain the methodology he employed to compile his writings. By researching the study book and related writing resources, this qualitative study uses the literature methodology. The outcomes of the studies revealed that al-Dihlawi, through the Hujjah Allah al-Balighah book, not only explained the discussion of the wisdom of the zahir of every worship but also concentrated on the inner secrets on the contrary. He described asrar al-shariah, or the secrets of Shariah, in terms of analyzing the meaning of decisions made. Scholars have debated this issue in the context of maqasid al-shariah. Given its prolonged debate and continued relevance, this book is suitable to be highlighted in society. The contribution left by al-Dihlawi became one of the successors to Islamic knowledge for generations after him