Rifampicin injection needs to be diluted for intravenous drip, and the infusion time is usually more than 2~3 hours, but it is required to be finished within 4 hours. Rifampicin injection has to be diluted with 500ml of 0.9% sodium chloride injection or 5% dextrose injection for intravenous drip, and the infusion time should be more than 2~3 hours, but also less than 4 hours, and the prepared solution should be used within 4 hours. It should also not be mixed with other medications to avoid precipitation, and should be injected through a different site when treated with other IV medications. Rifampicin Injection is mainly used for the treatment of tuberculosis, but can also be used to treat other infections such as refractory Legionella spp. and severe methicillin-resistant staphylococci. It is suitable for acutely ill patients who cannot be administered orally, such as those who are comatose, postoperative, or have impaired absorption in the gastrointestinal tract. Adverse reactions to this product include heartburn, anorexia, nausea and vomiting, jaundice, thrombocytopenia, and hypersensitivity. Patients allergic to this product is prohibited, pregnant women should avoid the use of as far as possible, lactating women can not breastfeeding after the use of the drug, and jaundice is not recommended for use in patients with jaundice. It is recommended that patients who are not feeling well go to regular hospitals and follow the doctor’s instructions for symptomatic treatment.