Painless labor needles are usually about 6 cm in length, plus a handle of about 10 cm and a diameter of about 0.1 cm thick. The needle is usually inserted into the lumbar spine during labor and is used to inject anesthesia. This operation requires an anesthesiologist to perform. Since there is a certain distance between the lumbar vertebral spaces, the length of the painless delivery needle will be greater than this, plus the handle is usually about 10 centimeters, and this needle is a little thicker than a normal infusion needle, with a diameter of about 0.1 centimeters. If a pregnant woman is about to give birth, it is recommended that she seek medical attention in a timely manner, under the guidance of the doctor to use the appropriate way to give birth, such as the need for painless labor, you need to consult with the doctor in detail about the need to do the preoperative preparations as well as post-operative care methods, to promote the smooth progress of the birth, to protect their own and the child’s health.