Rectal injection and insertion of medication generally refers to the injection of medication through the rectum or the insertion of suppositories into the rectum for the purpose of treating certain specific conditions. Specific instructions are given below: Rectal injections are generally used to treat pediatric fever and some rectal and anal canal disorders. A pediatric patient who does not cooperate with oral medication or if that medication is not suitable for oral administration can be treated by administering the medication through a rectal injection, which allows the needle to pass through the anus into the interior of the rectum to administer the medication. This treatment method is not painful, at the same time, because the drug does not need to go through the stomach and intestines and liver and kidney function, the absorption will be faster, the burden on the liver and kidney is also smaller. Clinical in the treatment of hemorrhoids, rectal prolapse and other diseases are also commonly used to play rectal needle plugging way. Before the operation should grasp the contraindications, general perianal acute and chronic inflammation, severe tuberculosis, liver and kidney disease, malignant tumors and pregnant women in labor and other patients should be used with caution. Operation should master the drug dose, the dose is too large, the injection is too shallow may lead to mucosal necrosis infection caused by hemorrhage.