 Photothermal therapy, PTT, are using copper-sulfide nanoparticles because NPS can eliminate tumor cells by converting light energy into heat, and this treatment can be combined with other therapies such as chemotherapy, radiotherapy, dynamic therapies, immunotherapy, gene therapy, gas therapy, and magnetic hypothermia to enhance its efficacy. This article was authored by Jingwen Ma, N.A. Lee, Jingjian Wang, and others.