The usual steps in the use of the New Coronavirus Antigen Test Kit are preparation, checking the items, swabbing, extracting the sample for testing, and determining the results. 1. First wash your hands or quickly hand sanitize, take out the instructions in the New Crown Virus Antigen Self Test Kit, read the instructions and check if the items are complete. Follow the instructions and open the test card. 2. Wipe your nose before the test, take out the swab, raise your head backward, slowly push the swab along the inner wall of the nose for 1~1.5 centimeters until the head of the swab is invisible, rotate the swab for 4 times, stay for 15 seconds, then rotate the same swab in the other nostril for 4 times, stay for 15 seconds. 3. Place the swab into the sample extraction tube, dip the swab head into the extraction solution and rotate it for 30 seconds, then squeeze the swab head 5 times. Put the cap on the sample extraction tube, turn the tube over, and put 3 drops of extraction solution from the cap opening onto the test card. 4. The result can usually be judged after 10 to 15 minutes, not exceeding 30 minutes. After that, dispose of the waste properly according to the test results. The new coronavirus antigen self-test kits produced by different manufacturers may be slightly different, and there are also differences in the use of the kits, it is recommended to follow the instructions to standardize the operation, so as not to affect the test results.