High blood sugar may appear finger numbness symptoms, high blood sugar daily should pay attention to diet, appropriate exercise, active treatment. 1. High blood sugar patients need to be alert to finger numbness, it may be high blood sugar caused by peripheral neuropathy, but may also be caused by cervical spine disease compression of neurovascular. Specific which cause, need patients to go to the hospital to carry out relevant projects to determine. 2. Poor blood sugar control in diabetic patients can lead to diabetic peripheral neuropathy. Therefore, diabetic patients need to pay attention to their diet, first of all, to reduce the intake of sugar, pay attention to low-fat, low-sodium diet, to ensure that the diet is nutritious and balanced. Adhere to exercise every day to control weight. Regular use of hypoglycemic drugs, under the guidance of professional doctors to actively control blood sugar. There are many reasons for numbness of the fingers, and it may also be cerebral infarction and other diseases, it is recommended to go to the regular hospital, to clarify the cause of the disease, and give timely treatment.