The subcutaneous injection scoring criteria are skill standards for assessing nursing staff’s operations, including pre-operation preparation, operation process and quality evaluation. All processes should be skilled, standardized and smooth. 1. Pre-operation preparation: neat clothes and hats, clean and smooth nails, seven-step cleansing method and wearing a hat and mask, smooth language and kind attitude, understanding of the patient’s condition, history of allergies, history of medication and injection site. Preparation of goods, such as the need to equip drugs and saline, syringes, curved tray, disinfectant, execution sheet, cotton swab disinfectant and sharps box, etc., safe and clean light temperature appropriate sterile operating environment. 2. Operation process: (1) Double check the drugs and patient information, self-introduction to check the information again, explain the purpose of hypodermic injection and the way to cooperate. (2) Select the injection site routine disinfection, prepare the skin test solution, open the sterile syringe to empty the gas, check the information again, the left hand tense skin right hand holding the syringe fixed needle and the skin into 30 ~ 40 ° C. Stab the needle 2 / 3 back to draw no blood and slowly push the medicine injection is complete, with a cotton swab gently press a moment to quickly pull out the needle. (3) Explain the precautions to the patient and check the information again. (4) Assist the patient to organize the clothes to take a comfortable lying position. (5) Organize items and wash hands to record. 3. Quality evaluation: skilled and standardized operation, effective communication and humanized service, checking system and aseptic technique. It is recommended that if necessary, please go to a regular medical unit for consultation and treatment in a timely manner, and do not be negligent or blindly deal with it on your own, so as not to affect your health.