The common causes of a bout of throbbing pain in the anus in women include hemorrhoids, anal injury, inflammation, sphincter spasm, and compression of the anus and surrounding tissues. 1. Hemorrhoids: such as internal hemorrhoids embedded formation, thrombosed external hemorrhoids and other reasons may cause anal pain. 2. Anal injury: such as perianal skin cracks, anal foreign body injury, etc., after eating spicy and stimulating food, because the feces contain stimulating ingredients, which leads to pain in the anus. 3. Inflammation: such as anal fistula, perianal abscess, ulcerative colitis and other inflammatory stimulation of the anus, can also cause anal pain. 4. Sphincter spasm: spasm of anal sphincter causes severe anal pain. 5. Pressure on anus and surrounding tissues: for example, some rectal cancers, uterine cancers, etc. cause pressure on anus and surrounding tissues, which leads to a burst of pain in anus. In conclusion, if there is anal throbbing pain, it is suggested that patients should go to the hospital for consultation, clarify the cause of the disease, differential diagnosis, and give reasonable and standardized treatment as early as possible, so as to avoid delaying the condition.