在分析化学中,药品标示量小数点后的有效数字保持到四位数固然是非常必要的,但在药剂工作中,通常在书写处方,填写制剂单及标明药品标签上的药品剂量时,往往也习惯于在几克、几毫克等剂量单位的数字后面加上小数点和零,这种习惯写法不仅繁琐,而且容易出现差错事故,给医务工作 In analytical chemistry, it is of course necessary to keep the effective figures after the decimal point of the drug quantity to four digits. However, in pharmacy, usually when writing prescriptions, filling in preparation forms and indicating the dosage of medicines on drug labels, It is customary to add decimal points and zeros to the numbers in dosage units of a few grams, a few milligrams, etc. This habitual writing is not only cumbersome but also prone to errors and accidents to medical work