This question examines the prescription. Prescription normative review includes: (1) the content is complete, and the clinical diagnosis results are generally required to be marked and consistent with the medical records. (2) Each prescription is limited to one patient. (3) The prescription shall not be altered. If there is any modification, the doctor must sign the modification and indicate the date of modification. (4) write the generic name of the drug and the name of the compound preparation drug, and the writing content is accurate and standardized. The usage of drugs can be written in standardized Chinese, English, Latin or abbreviations, but ambiguous words such as "according to doctor's advice" and "for personal use" are not allowed. (5) Age must be realistic and all-age. When necessary, newborns and babies should write down the date, month age and weight. (6) Chemicals and Chinese patent medicines can be prescribed separately or in a single dose; Chinese herbal pieces should be prescribed separately. For prescriptions of chemical drugs and Chinese patent medicines, each drug must start from another line, and each prescription shall not exceed 5 drugs. (7) If overdose is required, the reason shall be indicated and signed again. (8) Except in special circumstances, the clinical diagnosis must be indicated. (9) Draw a diagonal line in the blank to indicate that the prescription is finished. (10) The signature style and special seal of the prescriber must be consistent with the style of the sample kept by the pharmacy department for future reference. (1 1) The dosage and quantity of drugs shall be written in Arabic numerals, and the dosage shall be in legal dosage units. (12) The prescription shall not exceed 7 days; Emergency prescription shall generally not exceed 3 days; For some chronic diseases, senile diseases or special circumstances, the prescribed dose may be appropriately extended, but the doctor must indicate the reasons. (13) The prescription dosage of narcotic drugs, psychotropic drugs, toxic drugs for medical use and radioactive drugs shall strictly abide by the relevant provisions of the state. When prescribing narcotic drugs, you should have a medical record.