Baishangben No.3 is defoaming powder. Because the function and efficacy of effervescent tablets is to enhance the body's resistance. Effervescent tablets generally refer to vitamin C effervescent tablets, which can enhance the body's resistance, prevent and treat various acute and chronic infectious diseases or other diseases, effectively supplement vitamin C needed by the human body, and prevent the occurrence of septicemia. The effervescent tablet is taken after being dissolved in cold water or warm water, and becomes a fresh sweet orange drink after being dissolved. However, it should be noted that effervescent tablets cannot be taken for a long time. If you take it frequently and stop taking it suddenly, it is likely to induce sepsis. Effervescent tablets disintegrate quickly, usually 1 ~ 5 minutes, which can reduce the time of staying in the gastrointestinal tract and reduce the irritation to the gastrointestinal tract.