Electronic cigarette and heating assembly and heating member thereof

A heating assembly of an electronic cigarette, the heating assembly comprising:

• a porous body configured for adsorbing e-liquid;
• and
• at least one heating element configured for heating and atomizing the e-liquid adsorbed into the porous body;
• wherein the at least one heating element comprises an elongated sheet heating portion, at least partial section of the sheet heating portion is at least partially embedded in the porous body, and the porous body comprises an atomizing surface corresponding to the at least partial section;
• wherein the at least partial section is provided with a through hole configured for adjusting resistance distribution, and
• wherein the at least partial section comprises a plurality of through holes, and in a length direction of the sheet heating portion, a density of the through holes in the middle is greater than that of the through holes at both end.