The New Crown Antigen Self-Test Kit is a four-step process: removal of all components, nasopharyngeal sampling, droplet sampling, and reading of the results. 1. Before removing the components of the kit, hands should be cleaned and sterilized. After the hands are dry, open the kit and remove all components. 2. Remove the nasopharyngeal swab by inserting the swab 1.5 cm into the nasopharynx and rotating the swab 4-5 times on each side for 15 seconds or more. 3. Place the nasopharyngeal swab into the reagent solution, rotate it 10 times against the inner wall of the extraction tube, and then squeeze the swab along the inner wall of the test tube to squeeze the liquid as much as possible, and then place the nasopharyngeal swab aside. Place a drop of the reagent liquid in the test tube inside the sample port of the test card. 4. Wait for a certain period of time, and then compare the reagent results according to the instructions. Note: The New Crown Self-Test Kit is not a substitute for nucleic acid testing. If fever, cough and other respiratory symptoms occur, please go to the medical institution for nucleic acid testing. Positive results of New Crown antigen self-test need to complete the New Crown nucleic acid test in time, subject to the New Crown nucleic acid results.