Multifunctional insulin injection model for patient teaching and injection

The utility model discloses a multifunctional insulin injection model for teaching and injection of patients. The injector comprises an injection body and a connecting wearing part, wherein the injection main body is elliptical; wherein the length is 30 cm, the width is 20 cm, the first layer is made of a latex material, a central yellow area is hollow and is used for determining the position of the umbilical cord, a red area on the surface represents no injection, a pink area represents no suggested injection, a green area represents injection, a correct injection part is divided by applyingcolor contrast, and the thickness of the layer is 1 cm; the second layer is equal to the first layer in size and is made of a soft plastic material, and the central yellow area is hollow and used fordetermining the position of the umbilical cord; a correct injection area is divided into four parts, and 21 arrow-shaped hollowed-out parts are designed in each part of area and can be actually injected for 21 times in sequenc