The back of the foot tingling like pins and needles, caused by the following kinds of reasons: 1, infection: such as dengue, is caused by streptococcal infection, generally will induce the appearance of tingling or accompanied by fever, especially after the activity, the pain situation, tingling will be significantly aggravated. 2, diabetes: diabetes after the occurrence of diabetes will lead to increased blood sugar, inducing peripheral neuritis, causing patients to appear tingling symptoms. 3, Lumbar disc herniation: After the disc is herniated, it is easy to compress the local nerve roots, which can cause radioactive pain or pinprick-like pain in the area it innervates, and is accompanied by numbness.