Sperm fragmentation rate generally refers to the sperm DNA fragmentation rate. Sperm DNA fragmentation rate of 36% is a high value and refers to poor sperm quality. And poor sperm quality may be related to poor lifestyle habits, inflammation, varicocele and other reasons. Sperm DNA fragmentation rate of 36% is a high value. Sperm DNA fragmentation rate mainly reflects the integrity of sperm, while the normal sperm fragmentation rate should be <15%. The high sperm fragmentation rate represents poor sperm quality, and poor sperm quality may be related to the following reasons. 1. Bad habits: patients have long-term smoking, drinking, staying up late, less activity, unhealthy diet and other bad habits, these bad habits may lead to poor sperm quality, sperm DNA fragmentation rate is high. 2. Inflammation: such as orchitis, glans inflammation, epididymitis, etc. Serious infections of the reproductive system can lead to a decline in sperm quality, which can seriously lead to male infertility. 3. Varicocele: patients may have symptoms such as scrotal distension, scrotal swelling, scrotal pain and so on, which may lead to the decline of sperm quality. Serious complications such as male infertility and testicular atrophy can occur. All of the above reasons may cause men with decreased sperm quality and high sperm DNA fragmentation rate. Patients with high sperm DNA fragmentation rate are advised to consult a doctor in time for relevant treatment.