Fingertip blood collection filtering sleeve

The utility model discloses a fingertip blood collection filtering sleeve. According to the technical scheme, the fingertip blood collection filtering sleeve is characterized by comprising a filtering sleeve body formed by enclosing a rectangular filter screen into a cylinder, wherein the edge of an opening in one end of the filtering sleeve body is sealed; an outwards-turned flared opening is formed in the other end of the filtering sleeve body; an elastic tightening ring is fixedly arranged at a fold between the flared opening and the filtering sleeve body; the filtering sleeve body is made from a nylon filter screen. The fingertip blood collection filtering sleeve can sleeve a fingertip to filter fingertip blood to ensure blood detection accuracy in a blood collection process.