The present disclosure discloses a receptacle housing assembly and a receptacle. The receptacle housing assembly has a housing body, a retaining portion and at least one heat conducting element. The housing body may be configured for supporting a connecting terminal under temperature measurement. The retaining portion is disposed on the housing body to be configured for supporting and retaining a heat conducting element. The heat conducting element is disposed at the retaining portion. By means of the retaining portion, the receptacle housing of the present disclosure may improve the performance in supporting and retaining the heat conducting element and thus may be ready to integrally assemble.