The drug dosage system includes (a) one or more of the following components in effective quantity: (I) doxilin, (II) similar to doxilin, (III) derivative of doxilin, (IV) derivative of doxilin, (V) new and old metabolite of doxilin, or (VI) acceptable salt of any drug Component (I) a (V)；(b) Effective quantity of one or more of the following components: (I) pyridoxine, (II) pyridoxine analogues, (III) pyridoxine derivatives, (IV) pyridoxine derivatives, (V) pyridoxine metabolites, or (VI) drug acceptable salts of any one component (I) a (V)；Y (c) the effective quantity of one or more formula compounds (1), R is h, po833238315； or the effective quantity of other formula compounds (2)； It helps to reduce nausea and vomiting, such as during pregnancy (NVP). 1. Claim 1: a drug dosage system, characterized in that it contains (a) one or more of the following components (a) doxilin, (b) a similar doxilin, (c) a doxilin derivative, (d) a doxilin derivative, (v) A metabolite of doxycycline or (VI) a pharmaceutically acceptable salt (I) to (V) of any component；(b) About 5-80 mg of one or more of the following components: (I) pyridan (II) pyridan toxin analogues, (III) pyridan derivatives, (IV) pyridan derivatives, (V) new and old metabolites of pyridan, or (VI) salts acceptable for any of the components of the drug (I) a (V)；And (c) one or more formula compounds (1) of about 20 to 100 mg, wherein R is a hydroxy group, a phosphate group or a formula group (2),Or a salt that's medically acceptable Claim 2: a system consistent with claim 1, characterized in that R is a hydroxyl group. 3. Claim 3: the system described in claim 1, wherein R is a phosphate group. Claim 21: in accordance with the system of claims 1 to 20, characterized by component (a),(b) And (c) have the same drug composition. Claim 22: a system conforming to any one of claims 1 to 20, characterized by component (a),(b) And (c) can be found in a variety of pharmaceutical products. Claim 23: a system established i
