The invention relates to a portable electric smart hair washing comb which comprises a comb body, comb teeth and a handle, wherein hair washing solution release teeth are arranged in the comb teeth and are communicated with a hair washing solution storage chamber; dirty water recycling teeth in the comb teeth are communicated with a dirty water recycling chamber; a water pump is arranged in the hair washing solution storage chamber, and a hair washing solution is pumped from the hair washing solution storage chamber into the hair washing solution release teeth through the pump; a micro water pump is communicated with a control box through a line; a dirty water recycling pipe is communicated with a water absorber, and dirty water is recycled into the dirty water recycling chamber through the water absorber; heat is generated by resistance heating, and hair is dried through air outlets distributed in a hot air pipeline. According to the portable electric smart hair washing comb provided by the invention, the water pump or the water absorber are simultaneously driven by an integrated module to supply or absorb water, hot air is provided by a hot air blower, and the hair washing solution can quickly touch and clean the hair as well as a scalp when the portable electric smart hair washing comb is in use; meanwhile, the dirty water can be quickly absorbed into the dirty water chamber; through matching of the hot air from the hot air blower, the hair can be quickly cleaned, absorbed and dried so as to achieve the purpose of washing hair.