Semen analysis examination is a more common examination item for male fertility. If the examination is to be accurate, the following points need to be noted: 1. Time requirements (1) Any day between the 3rd and 7th day after semen emission is acceptable (2) Any day between the 3rd and 7th day after seminal emission is acceptable (3) Any day between the 3rd and 7th day after intercourse is acceptable 2. Environmental requirements Separate semen collection room Quiet and comfortable 3. All semen is discharged 4. All semen is collected in the semen collection container