The invention discloses a stamping forming demoulding system which comprises a concave mould, an ejection head and a hydraulic cylinder. The bottom end of the concave mould is hinged to a rack; one side of the upper portion of the concave mould is hinged to a piston rod of the hydraulic cylinder; a punch head is arranged above the ejection head; and the ejection head is arranged on the outer side of the punch head. The ejection head is mounted at the front end of an ejection head mounting cylinder; a sliding way matched with the ejection head is arranged in the ejection head mounting cylinder; a limiting rod is arranged in the sliding way; the front end of the limiting rod is inserted in a limiting hole inside the ejection head; the back end of the limiting rod is fixed on the ejection head mounting cylinder; and the limiting rod is sleeved with a reset spring. The ejection head connected with the spring can continuously abut against the outer wall of the punch head when the punch head rises during demoulding and can peel off the product sleeved on the punch head, so that the demoulding efficiency is greatly improved, and the stamping forming demoulding system is worth vigorously popularizing.