A large bulbous lump at the anal opening, varying in size, is considered to be hemorrhoids, which may be internal hemorrhoids, external hemorrhoids or mixed hemorrhoids. 1. internal hemorrhoids: III degree and IV degree internal hemorrhoids can be prolapsed outside the anus under factors such as prolonged standing, coughing, weight bearing, and so on, and thus can be seen in the anal opening of the ball. 2. external hemorrhoids: prolonged sitting and standing, constipation and pregnancy and other reasons can make the upper and lower rectal venous plexus blood stagnation, venous dilatation, the formation of external hemorrhoids, can be seen in the anal opening of the connective tissue external hemorrhoids that is, dermatomes or inflammatory external hemorrhoids, etc., the emergence of anal discomfort, wet and unclean, when there is an acute thrombosis of thrombotic external hemorrhoids, resulting in severe anal pain. 3. mixed hemorrhoids: internal hemorrhoids and external hemorrhoids symptoms co-exist, mixed hemorrhoids gradually aggravated when the ring-shaped prolapse outside the anus, hemorrhoidal block in the perianal area in the form of plum blossom or ring, the formation of annular hemorrhoids. If the hemorrhoids have symptoms need to promptly consult a doctor, follow the doctor’s instructions for treatment, in order to reduce or eliminate the symptoms.