Hands and feet easily numbness may be malnutrition, cervical and lumbar spine disease, cerebrovascular lesions, diabetes and other factors. 1. Malnutrition: prolonged partiality and picky eating, resulting in a lack of B vitamins in the body, can lead to nutritional and metabolic dysfunction, causing peripheral neuritis, which can lead to frequent numbness of the hands and feet, and may be accompanied by body wasting. 2. Cervical and lumbar spondylosis: when there is cervical spondylosis and lumbar spondylosis, the nerves innervating the upper limbs and the lower limbs may be compressed and stimulated, which will often cause numbness of the hands and feet, accompanied by radiating pain in the upper limbs and radiating pain in the lower limbs, and other symptoms. 3. Cerebrovascular lesions: the existence of cerebrovascular lesions can lead to damage to the central nervous system, can often appear unilateral numbness of the hands and feet of the symptoms, common diseases for the cavernous cerebral infarction, cerebral hemorrhage, cerebral arteriosclerosis, etc., serious hemiplegia and speech impediment. 4. Diabetes: diabetes for a long time, may lead to peripheral nerve damage, can also cause numbness in the hands and feet, may also be accompanied by hyperalgesia. If the numbness of the hands and feet lasts for a long time and is accompanied by other discomforts, you should seek medical advice for appropriate examination and treatment, so as to avoid the continuous aggravation of the lesions.