Levocarnitine has a certain therapeutic effect on weak sperm. Clinically, the main treatment drug for weak sperm patients is levocarnitine oral solution, whose main ingredient is levocarnitine. Carnitine is an important component of epididymal fluid, L-carnitine can provide metabolic energy to sperm mitochondria, so that sperm activation, and has an important role in promoting sperm maturation and improve sperm fertilization ability, for patients with weak sperm can improve sperm quality. For patients with weak spermatozoa, in addition to regular medication, patients should also be energetic exercise, to ensure adequate intake of vitamins and trace elements, to improve their own immunity, and enhance the quality of spermatozoa. If the diagnosis of weak spermatozoa is confirmed, it is recommended that standardized treatment be carried out as soon as possible in order to reduce the adverse effects of the disease.