If the hand numbness is paroxysmal and recurrent, it is considered that there is chronic damage to peripheral nerves or poor peripheral peripheral circulation, in this case, first of all, it is recommended to improve the relevant examinations: first, improve the examination of blood sugar, blood lipids and blood viscosity, to clarify whether there is high blood sugar, high blood lipids and elevated blood viscosity; second, improve the vascular ultrasound examination of the upper extremities, to clarify whether there is atherosclerosis of blood vessels with plaque formation, which affects Third, improve the nerve conduction velocity examination of both upper limbs to clarify whether there is a decrease in nerve conduction velocity and look for evidence of peripheral nerve damage; fourth, improve the magnetic resonance examination of the cervical spine to clarify whether there is a herniated disc compressing the nerve root. Treatment is based on improving microcirculation, activating blood circulation and nourishing nerves. Aspirin can be used to antiplatelet aggregation and reduce blood viscosity. You can use Chinese patent medicines such as anti-thrombosis enterolysis capsule, vascular rejuvenation tablet and powerful tianma dulcimer capsule to activate blood circulation and improve circulation. Vitamin B1, vitamin B12 and methylcobalamin can be used to nourish nerves and promote nerve function repair.