Upper extremity injuries are quite common after sports accidents in young adults, and simple falls in the elderly. Functional outcomes in this type of injuries depend on the condition of the bone as well as the surrounding soft tissue. Within appropriate indications, basic treatment is casting or splint with frequent and close follow-up. There are basic principles to be aware of while casting. In this compilation, the upper limb casts, indications, and precautions to be taken during and after casting will be presented.