Weak spermatozoa application of coenzyme Q10 should be used correctly as prescribed by the doctor, taken orally half an hour after meals, usually three times a day, one capsule at a time. Coenzyme Q10 is a human coenzyme Q-like substance with strong antioxidant capacity and enhancement of specific immunity, can play the role of coenzyme in the process of cell energy production, and can play a protective role in the free radicals attacking the mitochondrial membrane. Therefore, taking coenzyme Q10 orally half an hour after meals, usually three times a day, one capsule at a time, is conducive to enhancing the antioxidant capacity of the reproductive system, improving sperm motility to improve sperm quality, and has a certain therapeutic effect on weak spermatozoa. Adverse effects of Coenzyme Q10 are mainly the loss of appetite, diarrhea, nausea, and possibly palpitations may occur after use, and it is recommended to stop the medication in time. Coenzyme Q10 is a kind of coenzyme needed by human cells in the process of metabolism, which is a relatively safe drug, and the contraindications are still unclear. In addition to the application of coenzyme Q10, patients with weak spermatozoa should also consult a medical professional, under the guidance of the doctor for examination and treatment.