After hernia surgury 2 weeks post op is it ok to lift 10 kg my daughter?

Yes if you want: Few decades ago , after hernia surgery , not allowed to get out of bed, now the concepts changed , earlier activities are encourage, 2 wks post op is good time , yes you can and by next wk you should be doing every thing you did before surgery

As tolerated : In general, activity after hernia repair should be as tolerated by pain and discomfort. Some types of repairs however do require limitations. Check with your surgeon on find out for your specific case.