The invention discloses steady connection type physiotherapeutic equipment. The steady connection type physiotherapeutic equipment comprises a main box body and a connector in insertion fit connectionwith the main box body, wherein inserting cavities are vertically and symmetrically formed in the left side end surface of the main box body, a first sliding cavity is formed between the inserting cavities on the upper and lower sides in a communicated manner, a second sliding cavity opposite to the first sliding cavity is formed in the inner top wall of the inserting cavity on the upper side, athird sliding cavity opposite to the first sliding cavity is formed in the inner bottom wall of the inserting cavity on the lower side, a cover plate is mounted in the first sliding cavity, the secondsliding cavity and the third sliding cavity in a sliding fit, through grooves are formed in the left and right parts of the cover plate in a penetrated manner, the through grooves are opposite to theinserting cavities on the upper and lower sides, a groove is formed in the bottom wall of the third sliding cavity in a communicated manner, and a first pressure spring is installed between the bottom wall of the groove and the bottom end surface of the cover plate in a top-pressing fit.