The utility model discloses a high strain pile testing weight release device, which comprises a release handle, a combined lifting ring, a central pin roll and a release handlebar. The release handle is a long ring plate with a notch at the bottom. A connecting hole is arranged in the top of the release handle. By taking a connecting line between the center of the notch and the center of the connecting hole at the top as a boundary line, the release handle is divided into a left release handle and a right release handle. The top of the release handle is connected with the combined lifting ring through the central pin roll. The release handle and the combined lifting ring can relatively rotate around the central pin roll. The high strain pile testing weight release device provided by the utility model has the beneficial effects that the structure is simple, the cost is low, the release device is simple to operate and convenient to use, the working efficiency is high, the release device can be reused, the cost is saved, and the safety and the reliability of high strain pile testing are improved.