The day before the routine physical examination is allowed to have normal sex, generally will not affect the results of the examination, but should pay attention to hygiene, at the same time do not be too tired. The common items of the physical examination include blood test, urine test, stool test, blood pressure, chest X-ray, abdominal ultrasound, electrocardiogram, etc. Normal sex the day before the physical examination will not affect the results of the examination and laboratory indicators, so there is no need to worry too much. However, you should pay attention to hygiene when having sex, and at the same time, do not be too strenuous and tiring, so as not to affect the next day’s life. In addition, if there are uncomfortable symptoms after sex, you should go to the hospital in time to improve the relevant examination to clarify the cause.