The current antigen test generally refers to the new coronavirus antigen test, and you can eat oranges before the test. Generally will not affect the test results, but may cause discomfort in the nose, throat and larynx. Eating oranges in moderation before the antigen test will not affect the test results. However, it is recommended to eat oranges half an hour to two hours before taking the antigen test. Because the antigen test is done through the nasal swab test, it will stimulate the nose, throat and larynx, which may lead to nausea and other uncomfortable symptoms, in addition, before the test to avoid eating too much, avoid tobacco, alcohol, spicy and other stimuli. Do antigen detection process should strengthen personal protection, wear a mask when receiving reagents to reduce the number of people to talk to, the interval between people more than one meter, to avoid testing in crowded areas, after the test will be nasal swabs, reagents, etc., all in accordance with the requirements of the designated garbage bags, do not throw away.