In the field of medical emergency, time often means lives. In the face of amputation caused by upper limb trauma, rapid and accurate hemostasis is a key step to save patients' lives and reduce the risk of disability. In this context, as a professional training tool, the hemostatic model of upper limb trauma amputation is particularly important in improving the first-aid ability of medical personnel.

First, it provides a simulated environment close to reality for the medical staff. The model can simulate various situations after upper limb trauma, such as blood vessel rupture, large blood loss, etc., so that medical personnel can feel the urgency and importance of hemostasis in the training process. This simulated environment helps medical staff to mentally prepare and improve their resilience and psychological quality when facing real situations.

Secondly, the model helps medical staff to be familiar with and master various hemostatic techniques by simulating real hemostatic operations. In actual operation, medical personnel need to quickly determine the bleeding situation and select appropriate hemostatic methods, such as pressure hemostasis and tourniquet use. The model can simulate these operations and allow medical personnel to practice repeatedly in a safe, risk-free environment to become proficient in hemostasis techniques.

However, to judge whether the hemostatic model is the key to improve the first-aid ability, it is also necessary to consider its actual effect in training. By comparing the performance of medical staff trained with and without the model in actual operation, the role of the model in improving first-aid ability can be objectively evaluated.

To sum up, it plays an important role in improving the first-aid ability of medical personnel. It provides a near-real simulated environment to help healthcare professionals familiarize and master hemostatic techniques while adapting to different training stages and clinical needs. However, in order to truly improve the first-aid ability, it is necessary to combine many factors such as practical operation, theoretical knowledge learning and clinical experience accumulation. Therefore, we should take the hemostatic model of upper limb trauma as an important tool to improve the first-aid ability, but we should also recognize its limitations and make reasonable use of it in training.