There are hemorrhoids do not hurt but difficult to defecate is considered to be internal hemorrhoids, the disease is mainly due to bad habits, genetic factors, infectious factors, defecation factors and other causes. 1. bad habits: life, if often sedentary, long standing, long squatting, tired, etc., resulting in the anus continued high pressure, thus affecting the local blood return, caused by hemorrhoids do not hurt but difficult to defecate. 2. Hereditary factors: the development of hemorrhoids has a relatively obvious genetic predisposition, parents suffering from this disease, the incidence of children has a significantly higher trend. 3. Infection factors: hemorrhoidal venous plexus endovascular inflammation and perivenous inflammation, will lead to part of the patient’s blood vessel wall fibrosis, and thinning, caused by local varicose veins, appeared to have hemorrhoids do not hurt but difficult to defecate the phenomenon. 4. defecation factors: the patient’s feces is not easy to empty, will be on the lower rectum and anal canal parts of the pressure, resulting in blood vessel pressure, resulting in anorectal venous reflux obstacles, and then the patient appeared to have hemorrhoids do not hurt but defecation difficulties. It is recommended that patients go to the regular hospital in a timely manner, under the diagnosis of the doctor, according to the patient’s specific condition, to take targeted treatment, life patients to adjust their habits, can promote the recovery of the disease.