Red spots on the palms of the hands like pins and needles may be related to inflammatory reactions, mosquito bites and other reasons. 1. Inflammatory reaction: if the hands suffer from eczema, herpes sweat or allergic dermatitis and other diseases, these can cause local inflammatory reaction. Produce inflammatory substances, stimulate the palm of the small blood vessels and nerve endings, can cause red spots on the palm of the hand, pins and needles like symptoms. 2. mosquito bites: mosquito bites palm area, will be injected into the local skin acidic liquid, metamorphosis reaction, which leads to red spots on the palm, itching, tingling pins and needles like symptoms. Red dots on the palm of the hand like pins and needles suggest that patients go to the hospital in a timely manner, after a clear cause of standardized treatment.