The American cockroach can be used in medicine and has a wide range of medicinal value. American cockroach is a kind of insect, belongs to the cockroach family with the largest size, contaminates food, transmits germs and parasites, is a worldwide sanitary pest, likes sugar and starch, and usually lives in damp environment, such as sewers, bathrooms, breweries and so on. Although American cockroach is a pest, it has a wide range of medicinal value, such as diuretic to reduce swelling, blood circulation to dissipate stasis (to promote blood circulation and eliminate blood stasis in the body), liver protection, inhibit the growth of tumor cells, improve immunity, promote tissue repair, etc. It can be used in the treatment of ulcers, venomous snake bites, carbuncles, swollen sores and other diseases. It is forbidden for those who are allergic to American cockroach and pregnant women. In conclusion, American cockroach can be used as medicine, such as the use of cockroach, need to be under the guidance of a doctor to apply reasonably, not blindly applied to avoid causing adverse consequences.