Extraction and filtration device for extracting target object in solid sample

The utility model relates to an extracting and filtering device for extracting a target object in a solid sample, the main body of the extracting and filtering device is an extracting bottle, and after the extracting bottle is used for extracting, the extracting bottle is refitted into an extracting solution filtering suite so as to filter an extracting solution. Wherein the extraction bottle comprises a bottle body (4), a first sealing screw cap (1), a second sealing screw cap (8) and a fastening clamp (9), both the upper end and the lower end of the bottle body (4) are open, and a screw cap fastening groove (14) is formed in the outer surface of the second sealing screw cap (8); a bottle opening fastening groove (5) is formed in the outer surface, close to the extraction bottle lower screw opening (6), of the lower end of the bottle body (4); the fastening clamp (9) is in a double-arc shape and comprises a bottle opening arc ring (91) and a blind nut arc ring (92). According to the utility model, multiple e