Capillary dilatation can be manifested as filigree, stellate or arachnoid damage to the skin and mucous membranes, with redness of the skin, which may be accompanied by red or purplish-red patchy, stippled, stellate or linear damage, and occasional burning or tingling sensation in the patient. Capillary dilatation is due to capillary elasticity loss, brittleness increase, resulting in persistent uneven expansion of blood vessels, or even rupture, can be manifested in the naked eye visible dilation of capillaries and other conditions, the appearance of redness of the skin, may be accompanied by red or purplish-red patchy, dotted, stellate or linear damage, the skin and mucous membranes of the filamentous lines, stellate or arachnoid-like damage phenomenon. It is reminded that when the diagnosis of capillaritis is confirmed, you should go to the hospital in time to avoid delaying the treatment.