The causes of numbness of the toes are foot peripheral neuritis, lumbar disc herniation, foot trauma and others. 1. Foot peripheral neuritis: infections, such as measles, herpes zoster; metabolic and endocrine disorders, such as diabetes mellitus, uremia, etc.; chemical factors, such as drugs, heavy metals, etc.; connective tissue disease, such as systemic lupus erythematosus, scleroderma, etc., can cause damage to the peripheral nerves in the foot, causing numbness of the toes. 2. Lumbar disc herniation: Lumbar disc herniation compresses the nerves, which can also cause numbness of the legs, feet and other discomforts, accompanied by lumbar pain and so on. 3. Foot trauma: foot trauma violence leads to foot nerve damage, causing numbness of the toes. 4. Others: such as lower extremity atherosclerosis, peroneal muscular dystrophy, etc. can also cause numbness of the toes. Causes of numbness of the toes more causes, the patient should consult a doctor in a timely manner to clarify the cause of the disease, so as not to delay the condition.