A magnetic couple jet for hydrotherapy spa equipment contains: a motor, a fixer, and a water jet assembly. The motor includes a rotary shaft and a magnet disc set. The fixer includes a first positioning holder and a second positioning holder, wherein the second positioning holder includes a coupling face and at least one first affix portion. An accommodation chamber is defined between the second positioning holder and the first positioning holder so as to accommodate the rotary shaft and the magnet disc set of the motor. The water jet assembly includes a covering member, an impeller, and a magnet, wherein the covering member has a holding seat, a cap, and a receiving room. The holding seat has an orifice, at least one second affix portion, at least one inlet, and at least one outlet. The impeller has multiple fans, a column, and a housing groove formed.
