A kind of mechanical mouse trap improvement, a kind of meiofauna folder, includes pedestal, semi-circular fixture, round starting pedal, fixed pin, Hou spring leaf, 2 section spring stacks, it is scalable, animal can be pressed from both sides, especially cause harm agricultural product mouse still, animal often broken leg is pressed from both sides, dog cat is no exception, is denounced by the common people. Reality safety mouse trap, round holder part only has 3.6MM improvement Hou 20MM and above plus rubber sheet protection animal, leg and muscle before script, will not injure bone muscle parts completely by folder animal, contribute cat and dog animal protection quite big. Modified form, Hou spring type fixing seat are made of 2 section springs, and animal is clipping to Hou, length of pulling back of struggling, delay animal nervous, avoid animal leg, struggles injured, such as pre- child care class, it can completely free, general animal, be revolutionary mouse trap because object can completely sell for i.e. high price. 一種機械式老鼠夾改良，一種小型動物夾，包括有底座，半圓型夾具，圓型啟動踏板，固定銷，後彈簧片，2節彈簧柱，可伸縮，能夠夾動物，尤其是為為害農產品的老鼠但是，被夾動物往往斷腿，狗貓也不例外，為民眾所詬病。本真安全老鼠夾，原本前圓型夾具部分只有3.6MM改良後20MM並上面加橡膠片保護動物，腿部及肌肉，被夾動物完全不會傷害骨頭肌肉部分，對貓狗動物保護貢獻相當大。改良型，後彈簧型固定座，由2節彈簧所組成，動物在夾到後，掙扎回拉長，延緩動物緊張，避免動物腿部，掙扎受傷，如預保育類，可完整放生，一般動物，因物體完整可以賣到即高價格，可謂革命性老鼠夾。
