Wearable device and method capable of assisting nucleic acid collection and detection

The invention relates to wearable equipment and a method capable of assisting in nucleic acid collection and detection, and solves the problems that during nucleic acid detection during an epidemic situation, a plurality of people queue up to possibly cause cross infection and not-in-place monitoring, in the detection process, medical workers also have infection risks, and the number of collected nucleic acid is limited every day; the inner wall of the detection helmet is connected with a respirator through an elastic rope, an arc-shaped sliding rail is fixedly installed on the upper portion in the detection helmet, and a sliding mask is installed in the respirator. The device can be used for detecting droplets falling on a mask, such as speech and cough of a wearer, specifically, a clamping jaw clamps cotton swabs, the clamping jaw moves to the position of the mask in a sliding rail, rotation of a collecting roller drives the mask to move, the mask enables the cotton swabs to rotate, and then the droplets ar