There is no single method that can be called the fastest way to produce sperm, but men can help to produce sperm by maintaining good habits and adjusting their diet. 1. Maintain good living habits: Maintaining good living habits and actively engaging in physical exercise can help men improve sperm activity and sperm count. 2. Adjusting diet: Men can help sperm production by consuming more food rich in trace elements zinc, protein and arginine. (1) Trace element zinc: Some research suggests that symptoms such as low sperm count and low sperm viability are related to zinc deficiency, so men can eat foods with high zinc content, such as oats, scallops and walnuts, and take zinc supplements such as zinc gluconate to promote spermatogenesis. (2) Protein: Protein is very important for male spermatogenesis, men with low sperm counts should increase their protein intake and eat more fish, beef and soy products. (3) Arginine: The lack of arginine is associated with lower levels of spermatogenesis and decreased sperm motility. Men can properly supplement arginine by consuming foods such as sea cucumber, loach and sesame seeds. When men have infertility, they need to go to the regular hospital in time, under the guidance of professional doctors, relevant examinations, targeted medication.