Fastening structure of electronic data processor

The utility model discloses a fastening structure of an electronic data processor, mainly comprising a fastening part and an annular member; the fastening part is arranged on the display screen in relationship of correspondingly extending in a fastening groove on the host machine body, and the annular member is provided with an elastic section and a fastening arm corresponding to the fastening part; a pressing button is formed at one side of the elastic section, which exposes the host machine body in normal, and the other side of the elastic section is provided with a pushing block; when the pressing button is pressed into the host machine body, the pressing button drives the fastening arm breaking the fastening relationship with the fastening part, and the pressing button also drives the pushing block moving to guide the fastening part, as a result the display screen is lifted up away from the host machine body for a preset distance, and users can start the display screen conveniently.