“Kang Ai” may refer to the more common Kang Ai injection, which can benefit qi and strengthen the immune function of the body. It is used in the treatment of primary liver cancer, lung cancer, rectal cancer, malignant lymphoma, gynecological malignant tumors, leukocyte hypoplasia and hypoplasia caused by various reasons, as well as chronic hepatitis B. It is also used in the treatment of chronic hepatitis B. The drug is not recommended for use with preparations containing veratrum. The drug is prohibited to be used in combination with preparations containing veratrum. Kang’ai Injection is mainly a yellow injection and is a drug mainly used to treat malignant tumors. Adverse reactions such as rash, itching, chills, fever, nausea, vomiting, chest tightness, palpitations (rapid heartbeat, often accompanied by panic) are occasionally seen with the use of this product, and severe allergic reactions, manifested as anaphylactic shock, etc. are rare. Kangai injection can also reduce chemotherapy-induced liver damage, kidney damage, bone marrow suppression and other serious adverse reactions, as well as reduce nausea and vomiting fatigue and weakness and other general adverse reactions. It should be noted that rare serious allergic reactions may occur, manifested as anaphylactic shock, etc. This product should be used in medical institutions with resuscitation conditions, and allergic reactions or other serious adverse reactions occurring after the use of the drug should be immediately discontinued and promptly rescued. Allergic patients, the elderly, children and other special groups and first-time users of this product should be cautious and closely observed after use. Patients should be under the guidance of a doctor when using Kangai to avoid adverse effects.