Patients with arm pain from carrying things are commonly caused by muscle strain and inflammation, as follows: 1. Muscle strain: prolonged carrying of heavy objects can lead to muscle strain in the arm, and patients will show symptoms of soreness in the upper limbs. The pain can spread to the forearm, and the patient is usually unable to carry heavy objects, and there is a significant increase in pain when local pressure is applied. Therefore, if pain occurs in the arm when carrying things, timely diagnosis and treatment should be provided, and the corresponding treatment should be chosen according to the different causes in order to achieve satisfactory relief of the pain. It is also necessary to avoid carrying heavy objects in daily life and to exercise the muscle strength and intensity of the upper limbs.