Essential household medicines include fever reducers, anti-diarrhea medicines, anti-allergy medicines, and antiseptic medicines. 1. Fever-reducing medicines: Some adult and children’s fever-reducing medicines, such as acetaminophen extended-release capsules and ibuprofen dry suspension, can be used for colds and other causes of fever. 2. Antidiarrheal drugs: such as bifidus triphylium enteric capsules, montelukast, etc., mainly used for more serious diarrhea, if the diarrhea symptoms are not very serious, it is generally not recommended to use. 3. Anti-allergic drugs: such as loratadine tablets, cetirizine hydrochloride tablets, etc., can be used for a variety of causes of allergic skin diseases, allergic rhinitis and urticaria. 4. Disinfectant medicines: mainly include 75% medical alcohol, iodophor, hydrogen peroxide solution, etc., which can be used for skin disinfection, object disinfection and wound dressing disinfection, etc., and is also one of the essential medicines in the family. When an accident occurs, if the family spare drugs can not relieve and treat, it is recommended to go to a professional hospital in time for consultation and treatment. All of the above medicines should be used in accordance with the doctor’s prescription or strictly according to the instructions.