Rhubarb and stinging insect pill is a proprietary Chinese medicine, which is composed of ripe rhubarb, earthworm, leech, gadfly, grub, dried lacquer, peach kernel, fried bitter almonds, scutellaria baicalensis, rhizoma dioica, white peony, and licorice, and it has the efficacy of invigorating blood circulation to break up blood stasis, and promoting menstruation to eliminate the symptoms of zheng jing (masses in a woman’s abdomen) and amenorrhea. Rhubarb and stinging insect pill is used for the treatment of obstruction in the abdomen and amenorrhea caused by blood stasis, which includes abdominal lumps, rough and dry skin like dried fish scales and nails, dark color, hot flashes, thinness, and menstrual closure. The adverse effects of the drug are not clear. The drug is contraindicated in pregnant women and should not be taken by people with skin allergies. If there is a need for medication, it is recommended to use it under the guidance of a professional physician, not blindly self-medication.