The common causes of leg cramps in men are as follows: 1, due to injury and strain, men play more roles in social life, social activities are also more, sports, labor may be relatively more tired, which will lead to the occurrence of lower limb muscle strain and injury, thus producing muscle dysfunction, resulting in the symptom of cramps. 2, can be seen in the men’s irregular life, diet, and some bad habits, such as not eating on time, not resting on time, as well as smoking, drinking and other bad habits, which will lead to abnormal body functions, which will also lead to the emergence of cramps. There are also some bad hobbies, such as not eating on time, not resting on time, smoking, drinking and other bad habits, which will lead to abnormal function of the body, and also lead to abnormal muscle function, resulting in the symptoms of cramps, which is also the reason why there are more men who suffer from strain injury. 3, there is the basis of disease, such as men’s lower extremity sciatic nerve neurological inflammation, nerve compression, or lower extremity blood circulation disorders, also including lower extremity blood circulation disorders. The blood circulation of the lower limbs is impaired, including men with lumbar spine diseases, such as lumbar disc herniation, which will lead to muscle dysfunction of the lower limbs, resulting in symptoms of cramps.