The problem of fiqh continues to develop toward the progress of the times. the purpose of this study is to examine the comparison of fiqh about buying and selling connected between the concept of fiqh in Islam and buying and selling online. The method in this study uses a qualitative method with literature or library research. The research materials were obtained from the books. https://www.nacrack.com/hot-mega-Smock-Frock-SF-185-great-buy/