Carbosol Oral Solution, or Sodium Carboxymethyl Amylopectin Solution, is an immunomodulatory drug that has been shown to increase resistance. According to the instructions of the drug, Carboxymethyl starch sodium solution is a brown viscous liquid, aromatic and sweet in taste. Carboxymethyl starch sodium solution can stimulate the activity of immune cells, increase the level of antibodies, and then increase the patient’s resistance, belonging to a kind of immunomodulatory drugs. Clinically used in the treatment of pediatric bronchial asthma, carboxymethyl starch sodium solution treatment course for 3 to 6 months. A portion of patients taking the drug will have an increase in the number of stools or not shaped, the current contraindications of the drug are not clear, need to be shaded, sealed storage. Need to follow the doctor’s instructions to use the drug, not unauthorized use of drugs or arbitrarily adjust the dosage to prevent serious consequences.