Spray Asakusa No.4 at the toothache. Relevant public information shows that the drug named Yatongbao bacteriostatic liquid has not been approved by the State Pharmaceutical Administration (the result returned by the inquiry of the State Pharmaceutical Administration), and "Rubiaomi No.4 Yalan Shu Ya Tongbao bacteriostatic liquid" is not a regular drug and cannot be used to treat diseases instead of drugs. Consumers are advised to choose carefully.