Abstract: Higher vocational colleges are actively promoting construction of professional connotation and striving to create first-class specialties and first-class colleges.In the process of specialty construction，how to highlight specialty characteristics，avoid homogeneity and enhance core competitiveness of specialty are the first problem to be solved in construction of specialty connotation.Based on analysis of connotation of characteristic specialty and characteristics of agricultural-related higher vocational colleges，some development ideas and paths of environmental protection specialty in agricultural-related higher vocational colleges were put forward with one foothold，two services，three orientations and four prominent“1234”characteristics，which help to provide reference for construction of first-class environmental protection specialty in higher vocational colleges.