Recently, the number of new crowns treated with unapproved veterinary drug ivermectin surged 24 times, doubling the number of cases of poisoning and other serious reactions. According to the financial times on the 25th, according to the data of aikunwei research company, since some public figures mistakenly publicized that ivermectin can treat the new crown, there were 88000 outpatient prescriptions involving the drug in the week of August 13, 24 times that before the epidemic. Abuse of ivermectin can lead to serious adverse consequences. So far, the U. S. Food and drug administration has received 49 reports of poisoning and other serious reactions caused by taking ivermectin, compared with 23 in 2020.