by referring to the figures fig1 is a perspective view showing an embodiment of an attachment cap and a shower head according to the present invention fig2 is a perspective view showing an embodiment of a couple of the attachment cap and the shower head and fig3 is a view showing a spray of water toward one side of the attachment cap shown in fig2 and fig4 is a view showing a drainage groove formed on the attachment cap according to the present invention and fig5 is a view showing a drainpipe formed on the attachment cap according to the present invention in addition fig6 is a view showing a rotatable protrusion formed on the attachment cap according to the present invention and fig7 is a section view of the attachment cap shown in fig6 in addition fig8 is a view showing an elastic protrusion formed on the attachment cap according to the present invention according to the present invention an attachment cap unit is designed to remove foreign materials attached on hair and a scalp a with having an effect of acupressure or massage the attachment cap unit is comprised of a head fix unit 20 surrounding the outside of a shower head 10 a scalp contact unit 30 formed at the bottom of.