External hemorrhoids include connective tissue external hemorrhoids, varicose external hemorrhoids, thrombosed external hemorrhoids and inflammatory external hemorrhoids. Different types of redundant hemorrhoids are different, and may appear yellowish-brown, red, swollen and congested-like lesions. 1. connective tissue external hemorrhoids: the disease is also known as redundant hemorrhoids, the anus will appear yellow-brown or black foreign body, ring or corns, folds increased, hyperpigmentation, color deepening. 2. varicose external hemorrhoids: this type of external hemorrhoids will appear in the anus around the semicircular bulge, touching the softer, usually no pressure and pain symptoms, will change with the position of the change. 3. thrombosed external hemorrhoids: this type of external hemorrhoids will suddenly appear in the perianal round lump, the color is purple-red, touch a little hard, pain is more obvious. 4. Inflammatory external hemorrhoids: this type of external hemorrhoids is usually caused by infection, the perianal area will appear red and swollen skin, accompanied by itching or pain. Patients who have perianal fleshy ball or accompanied by discomfort symptoms, it is recommended to go to the hospital in time, to clarify the cause of the disease, if necessary, to give the appropriate treatment.