The present invention relates to a fish maw glue product and preparation process thereof. The product is characterized in that having tiny yellow and transparent appearance, being powdery, having moisture content of less than 10%, and particle size of 80-200 mesh. Its preparation process includes: pre-treating raw material, washing with water, preparing glue, drying, obtaining glue, pulverizing, packing under vacuum. The process is advanced, easy to handle. After people eat the product, it is easy to digest and to absorb, and has the functions of improving nutrition and nature of a drug. Said fish maw glue may further be made into slice, gel or glue liquor.