(1) Damp-heat syndrome
Main symptoms: At the acute stage, adhesion and obstruction of greater vestibular gland without infection may lead to retention cyst of the greater vestibular gland like cocoon. Infection leads to local redness, swelling, hot sensation, pain and pruritus, the prolonged duration of which results in suppuration with yellowish greasy tongue fur and rapid pulse.

(2) Syndrome of blood stasis
Main symptoms:  At the chronic stage, the symptoms are thickening and roughness of the local skin with cyanotic color, pudendal pruritus, or accompanied by cocoon-like mass in the pudendum, purplish tongue with slight yellow and greasy fur, and thin pulse.