Taking Liu Wei Di Huang Wan has no effect on pregnancy. Liu Wei Di Huang Wan is a Chinese medicine that mainly plays the role of nourishing Yin and tonifying the kidneys, which can effectively improve male sexual function and also significantly improve men’s health. Liu Wei Di Huang Wan has almost no effect on sperm, so it has no effect on pregnancy during taking the medication. It is best not to take other kinds of supplements during the medication period and to eat a light diet and drink plenty of water. In addition, men who have difficulty getting pregnant and have low sperm vitality can have their semen routinely examined to find out the cause of low sperm vitality and take the appropriate treatment according to the cause.