Bacterial lysis product capsules belong to immunomodulators, the pharmacological effect is to correct the immune imbalance, while antibiotics are drugs that can kill or inhibit other microorganisms, the mechanism of action of the two is different, so bacterial lysis product capsules are not antibiotics. Bacterial lysis product capsule is mainly composed of lyophilized lysate of bacteria, such as Haemophilus influenzae, S. pneumoniae, Klebsiella pneumoniae, Staphylococcus aureus, Streptococcus pyogenes, etc. It is a specific immunoglobulin drug. It can prevent recurrent infections of the respiratory tract and acute attacks of chronic bronchitis, and can also be used as a combination drug in the treatment of acute respiratory tract infections. The most common adverse reactions to Bacterial Lysis Products Capsules are gastrointestinal disorders such as nausea, abdominal pain, vomiting, skin reactions including urticaria, and respiratory discomfort manifested as cough, dyspnea, asthma, etc. In addition, it may cause systemic discomfort such as fever and fatigue. This capsule can be taken open, and if the patient has difficulty swallowing the capsule, the same therapeutic effect can be achieved by taking its contents directly.