Men can take levocanidin during the preparation for pregnancy, but when preparing for pregnancy, you need to stop the drug. Levocanidin is suitable for the treatment of a series of symptoms in patients with chronic renal failure long-term hemodialysis and primary systemic canidin deficiency, and it also has some curative effect on weak sperm. So it can be used as a drug to increase sperm activity before preparing for pregnancy. But taking levocarnitine may cause adverse reactions such as nausea, vomiting, mild muscle weakness, and in severe cases, severe allergic reactions may occur. So it can be taken during the preparation for pregnancy in order to improve sperm activity, but in order to avoid the effect of the drug on the fertilized eggs need to stop the drug before starting sexual intercourse and preparing for pregnancy. It is contraindicated for those who are allergic to the product and is recommended to be used in strict accordance with medical advice.