Contraceptive implantation is clinically known as subcutaneous implantation contraception, which is one of the long-acting contraceptive methods. Generally speaking, subcutaneous implantation of contraception is recommended to go to the hospital 3-7 days after the menstrual period, the doctor will be in the patient’s arm deltoid muscle position, first local anesthesia, and then placed in the outer line of the skin, through the subcutaneous line of the gradual release of the drug to achieve the effect of contraception. The principle of subcutaneous implantation contraception is similar to that of birth control pills, except that it does not require oral medication, which can reduce the stimulation of the gastrointestinal tract. However, there are limitations to the use of subdermal implants, which need to be evaluated by a doctor and are not recommended to be done arbitrarily. If you want to have subdermal implantation, it is recommended to choose a regular hospital to do it, and need to follow the doctor’s advice.