matplotlib plot bar and line charts together

Question

I want to plot bar and line together in one chart. When I plot bars, it displays correctly(g1 and g10 are displayed completed):

However, if I add a line to the plot:

Answer 1

Try switching the order of plotting:

ax = m1_t['bad_rate'].plot(secondary_y=True)
m1_t[['abnormal','fix','normal']].plot(kind='bar', ax=ax)

or preserve the original barchart xlim:

ax = m1_t[['abnormal','fix','normal']].plot(kind='bar')
m1_t['bad_rate'].plot(secondary_y=True, xlim=ax.get_xlim())