A potential device for use by a plurality of people, in combination with a friendship device, comprising a potential generating device, at least one conductive contact portion and an insulating ground pad, wherein the potential generating device generates a potential and has at least one potential output connecting line, And outputting the potential by the at least one potential output connection line, wherein the at least one conductive contact portion is electrically connected to the at least one potential output connection line to provide the potential, and the insulating ground pad is laid on the ground to provide insulation from the ground. An insulating surface is disposed on the insulating surface together with the at least one conductive contact portion, so that when the user uses the friendship device, the conductive contact portion can be contacted for a long time, thereby allowing the user to take a long time At this potential, the health effects of various parts of the body are achieved.一種供多人使用的電位裝置，配合一聯誼器具使用，其包含一電位產生裝置、至少一導電接觸部與一絕緣地墊，其中該電位產生裝置產生一電位且具有至少一電位輸出連接線，並由該至少一電位輸出連接線輸出該電位，該至少一導電接觸部分別電性連接該至少一電位輸出連接線而可提供該電位，該絕緣地墊鋪設於地面上而提供與地面絕緣的一絕緣表面，該聯誼器具與該至少一導電接觸部一同設置於該絕緣表面上，據此使用者於使用該聯誼器具時，即可長時間接觸該導電接觸部，進而讓使用者可以長時間處於該電位下而達到全身各部位的保健效果。
