The present invention relates to a bleed-free injection needle coated with crosslinked chitosan having an introduced catechol group and oxidized catechol group, and the bleed-free injection needle according to the present invention is advantageous in that said needle can suppress the bleeding that occurs during an injection and hence can beneficially be used not only in patients having reduced hemostatic capacity such as diabetic patients, anticancer therapy patients and haemophilia patients but also in patients exhibiting blood rejection reactions and in injections to children as well.
