Tris HCl buffer is a commonly used buffer in biochemical experiments to stabilize pH values. Due to its original powder state, many laboratories or manufacturers prepare it into a solution when using it. Compared to powder, the solution is more susceptible to external influences, so there are certain limitations on its preparation and storage, which also makes many people doubt whether the prepared solution must be ready to use. Due to its stable buffering effect over a wide pH range, Tris HCl is suitable for biochemical and molecular biology experiments. Additionally, due to its high water solubility, it can be used by simply preparing a buffer solution with deionized water at the desired concentration. Tris HCl has good stability within an appropriate pH range. If storage conditions are improper or exceed its stable range, the pH value will change, leading to poor buffering performance. Therefore, in response to this situation, the storage of Tris HCl powder has become extremely important. The optimal storage method is in a dry and sealed container, avoiding moisture absorption and exposure to the air, while keeping away from direct sunlight to avoid high temperatures. It is necessary to ensure the stable performance of Tris HCl buffer, which is ready to use and ready to use. Powders are susceptible to external interference, and of course, solutions are no exception. As they have been prepared, long-term storage can easily breed bacteria. If stored improperly, it is also easy to cause the solution to deteriorate, produce irritating odors, not only waste raw materials, but also affect the experimental process. Furthermore, the solution is affected by thermal stability, and multiple opening of the solution after preparation can easily degrade, leading to the failure of buffering performance.