The lack of strength in the fingers is mostly considered to be caused by cervical spine disease. Hyperplasia of the bone or intervertebral disc compression of the brachial plexus nerve, causing motor and sensory disorders of the upper limbs, numbness, finger grip weakness, upper limb pain and other symptoms, after traction therapy, nerve compression symptoms can be relieved. Some brain diseases can also cause the fingers have no strength, such as cavernous cerebral infarction, there can be dizziness, vertigo, tinnitus, limb weakness and other symptoms, you can go to the hospital neurology department for consultation, relevant clinical examination, in order to clarify the cause of the disease.