中药栓剂是由单味或复方中药的粉末或提取物与基质混合后,常以热溶法浇铸而成单剂量之药剂,每枚栓剂均具有一定形状和重量。肛门栓多为园柱形、园椎形和鱼雷形等,每枚重约2g;阴道栓呈球形、卵形或鸭嘴形等,每枚重约2～5g。因为用同一模形所制栓剂的容积虽然相同,但其重量则随药物和基质比重的不同而异。因此在制定栓剂工艺操作规程时,必须注意主药在栓剂中的准确性,多数国家的药典均有规定,投料时的用量应考虑到置换价的因素。特别是在大生产或严 Suppositories of traditional Chinese medicines are powders or extracts of single-flavored or compound Chinese herbs mixed with a base material, and are often cast as single-dose medicaments by the hot-melt method. Each suppository has a certain shape and weight. The anus is mostly cylindrical, vertebral, and torpedo-shaped, each weighing about 2g; the vaginal suppository is spherical, oval or duck-billed, each weighs about 2 to 5g. Because the volume of suppositories made with the same model is the same, the weight varies with the specific weight of the drug and the matrix. Therefore, in the formulation of suppository technical operating procedures, we must pay attention to the accuracy of the main drug in suppositories, most countries have pharmacopoeia regulations, the amount of material should take into account the replacement price factor. Especially in large production or strict