If a patient’s foot suddenly experiences pain like pins and needles, it may be due to the following reasons: i. It may be caused by a puncture injury here. This is seen when the patient is walking barefoot on the ground and suddenly steps on a sharp object, like a glass or iron nail, which then causes a puncture injury to the foot and produces the above symptoms. For this case need to promptly perform debridement surgery, tetanus antitoxin injection. Second, it may be due to skin lesions of the foot. For example, calluses, toe warts, corns and other diseases in the patient’s foot may cause the above symptoms, which may continue to recur. Third, it may be due to peripheral nerve lesions. For example, when a patient develops a lumbar disc herniation, it may be due to the irritation of the associated nerve roots, which then leads to similar symptoms.