Su Ke version of the second book of the eighth grade physics chapter 7, section 2, "electrostatic phenomena" is not complex, but if only from the perspective of mastery of knowledge to design teaching, it is easy to flat, boring, lack of connotation of the discipline of physics。 Combined with the requirements of the new standard, the original teaching design has been improved, set up a rich and interesting situation, guide students to explain the electrostatic phenomenon with a scientific attitude and physics perspective, analyse and reason the electrostatic law, real investigation to prove the conjecture, and effectively enhance the students" core physical literacy。