The invention provides a mechanical press enclosed height adjustment mechanical and electrical protection device and relates to the field of mechanical presses. The mechanical press enclosed height adjustment mechanical and electrical protection device comprises a position-limiting blocking part which is installed at the lower end of an adjusting screw rod and moves together with the adjusting screw rod, the outer side of the position-limiting blocking part is vertically provided with two brake annular pillow blocks at intervals, the outer side of a connection part is provided with a travel switch matched with the position-limiting blocking part to be used for detecting the running travel of the adjusting screw rod, the travel switch is arranged between the two brake annular pillow blocksand is connected with a controller, the outer side of the connection part is further provided with a positioning part matched with the position-limiting blocking part to perform position limiting, oneof the position-limiting blocking part and the positioning part is provided with a boss, the other one of the position-limiting blocking part and the positioning part is vertically provided with tworaised annular tables at intervals, the boss is arranged between the two raised annular tables, and the separation distance between the two brake annular pillow blocks is less than that between the two raised annular tables. According to the mechanical press enclosed height adjustment mechanical and electrical protection device, mechanery and electrical appliances are utilized to realize double protection, mechanical protection can be performed in the case of electrical protection failure utilizing a mechanical damage type method, and the mechanical press enclosed height adjustment mechanicaland electrical protection device has the advantage of being safe and reliable.