Economical insulin injection pen that works with all types of insulin ampoules that are injected by such syringes of insulin injection where we could mix two types of insulin in addition it works with all containers (vials)of imported insulin designed for other types of pen. It can by maintained easily, whose with the possibility of replacing Any damaged part. Moreover it is equipped with different parts and needles (9) to alleviate pain plus the new method to insert the need to the patient body without any pain besides reducing the required time to complete the injection process. The economical insulin injection pen can be accommodated for children and elder people with all types of insulin since his length starts from 3 cm. it is useful and practical for daily use as it is sterilized filled and adjusted every time it is used.