Sodium thiosulfate is used in the treatment of cyanide poisoning, etc. The course of treatment needs to be based on the condition of the comprehensive judgment, usually 10 ~ 14 days for a course of treatment. Sodium thiosulfate is mainly used for the treatment of cyanide, arsenic, mercury and other poisonings, but also used for skin scabies, ringworm and chronic dermatitis, such as external auxiliary treatment. Used in the treatment of poisoning, need to be based on the condition and blood concentration to determine the length of time and dosage of the drug, usually 10 ~ 14 days for a course of treatment. In the process of using the drug, if dizziness, nausea, fatigue and other phenomena, you need to promptly inform the physician to adjust the drug program; the drug is a rescue drug, in addition to drug allergy is absolutely prohibited, the other people are recommended to follow the doctor’s instructions, as soon as possible to use the drug to save the condition. The drug is mainly for intravenous use, the injection speed should not be too fast, prohibited and sodium nitrite mixed use. The drug needs to be used under the guidance of clinicians, and when cyanide poisoning is suspected, it should be consulted promptly to avoid delaying the condition.