The utility model provides a rock core drill bit structure for hydrogeological environment drilling research. The rock core drill bit structure comprises a drill bit body, a steel body, a drill bit matrix, a connecting part, a screwing part, a head crown part, a mounting groove, an open groove, a base body part and a scraping part, the drill bit body is composed of a cylindrical steel body and a plurality of drill bit matrixes, and the drill bit matrixes are welded to the steel body through installation grooves. The steel body is sequentially provided with a connecting part, a screwing part and a head crown part from bottom to top, and the connecting part, the screwing part and the head crown part are of an integrated structure. A plurality of open grooves are formed in the upper part of the head crown part, and a mounting groove is formed between the two open grooves; the drill bit matrix comprises a base body part and a scraping part. By improving the structure of the rock core drillbit for hydrogeological environment drilling research, the rock core drill bit has the advantages of being reasonable in structural design, convenient to assemble and disassemble, long in service life and suitable for being used in complex rock strata, and therefore the problems and defects of an existing device are effectively solved.