Sodium bicarbonate composition freeze-dried tablet and preparation method thereof

The invention provides a sodium bicarbonate composition freeze-dried tablet and a preparation method thereof, relating to the technical fields of medicines and medicine production. The sodium bicarbonate composition freeze-dried tablet comprises sodium bicarbonate, starch and sucrose. Common corn starch is subjected to heat treatment by using the starch and sucrose as auxiliary materials to enhance the bonding and disaggregation actions of the starch in the tablet and enhance the formability of the tablet. The sodium bicarbonate composition freeze-dried tablet only needs the two auxiliary materials starch and sucrose. The sodium bicarbonate composition freeze-dried tablet is prepared by a double-cooling double-heating freeze-drying technique; and the double cooling and double heating can enhance the formability of the tablet and increase the dissolution of the tablet, thereby enhancing the bioavailability of the tablet. The tablet overcomes the defects in the common sodium bicarbonate tablet, reduces the varieties and consumption of the auxiliary materials in the sodium bicarbonate tablet, has the advantages of high dissolution and high bioavailability, and ensures the curative effect and safety of clinic application.