Normal sperm morphology of 2% may be due to lack of trace elements, working environment, varicocele, inflammation of the reproductive system, etc., which should be treated by a doctor in time. 1. Lack of trace elements: may be a lack of zinc, need to choose zinc-rich drugs under the advice of the doctor for treatment. At the same time, you can eat more zinc-rich foods in your diet, such as milk, beans and other foods. 2. Work environment: If you are usually engaged in radioactive work or welding, etc., may have a negative impact on sperm development, it is recommended that usually try not to contact radiation, do not engage in radioactive work. At the same time, try to avoid high temperature working environment. 3. Bad habits: smoking, drinking, staying up late, sedentary, hot springs and sitz baths can affect sperm development. Patients should change their bad habits, and review their semen after one month to observe the change of semen. 4. Varicocele: Moderate to severe varicocele may lead to decreased sperm quality. Therefore, if you have varicocele, you should take medication such as vitamin E or surgery such as high spermatic vein ligation under doctor’s guidance. 5. Inflammation of the reproductive system: Inflammation of the reproductive system can cause a decline in sperm quality, it is recommended to use medication under the guidance of a doctor, such as cefuroxime and so on. Normal sperm morphology of 2% is a more serious situation, it is recommended that patients seek medical advice in a timely manner, under the guidance of the doctor to find the cause of the disease and timely treatment. In your daily life, you should strengthen the exercise, wear loose underwear, and eat more high-protein and nutritious food.