The invention relates to an insertion type pre-pressing valve, belongs to the technical field of control valves, and mainly solves the technical problem that an existing pre-pressing valve is large involume, has an easily stuck valve element, is poor in pressure resistance and easily damaged during installation and disassembly. According to the technical scheme, the insertion type pre-pressing valve comprises a valve seat, the valve element, a guide sleeve, a first spring seat, a spring, a second spring seat and a wire retaining ring, wherein the valve seat is a hollow cylinder, the lower endof the outer side of the valve seat is provided with an excircle step, so that the valve seat is limited in a valve body; the valve element is composed of a cone frustum and a hollow cylinder guide rod, and the valve element is arranged at the upper end of the valve seat; the guide sleeve is a hollow cylinder, the hollow cylinder guide rod of the valve element is arranged in a guide hole in the lower middle portion of the guide sleeve, the first spring seat is arranged at the top end of the hollow cylindrical guide rod of the valve element, the spring is arranged on the first spring seat, thesecond spring seat is arranged on the spring, and the wire retaining ring is arranged in a retaining ring groove formed in the upper portion of a spring mounting hole of the guide sleeve.