The utility model provides a six types and general basis of eight type beam -pumping units. When mainly having solved the beam -pumping unit adjustment, must change the problem together together with the basis. General basis (1) top cement face length degree be 7060mm, width 1240mm, the hollow both sides of rectangle of general basis (1) are provided with T type groove (2) respectively, T type groove (2) is the same with general basis (1) top cement face length degree, two T type grooves (2) central line interval 740mm, the beam -pumping unit base is fixed through cooperating with T type bolt in T type groove (2), six simultaneously supporting types and eight type beam -pumping units, convenient and practical.