The specific usage of ovulation test strips is as follows: First, take a clean and dry container to collect urine, not the morning urine for testing, but the urine between 10 am and 8 pm for testing, and try to take the same urine sample every day for testing, and drink as little water as possible two hours before collecting urine to avoid affecting the test results. Second, the end of the test strip with the logo line immersed in the urine, three seconds after the removal, and flat, and then 10-20 minutes to observe the results. Thirdly, the depth of the test strip inserted into the urine should not exceed the marking line. This is the specific use of ovulation test strips.