The invention discloses antibacterial liquid capable of tightening and repairing vaginal mucosa tissues. The antibacterial liquid is prepared from sandalwood oil, antibacterial peptide, sodium bicarbonate, grape seed oil, polygala tenuifolia, semen cuscutae, fructus evodiae, alumen, dried alumen, pepper A, pepper B and semen brassicae. Through mutual cooperation of the traditional Chinese medicine raw materials, the prepared antibacterial granule capsule can promote vagina cell regeneration, rapidly improve the activity of muscle cells, enhance elasticity, recover holding power, effectively treat vagina looseness, sexual apathy and vagina inflammation peculiar smell, inhibit harmful bacteria, culture beneficial bacteria, improve the autoimmunity of reproduction, revives the young and active state of the reproductive system; and a fiber repairing element is released in the vagina and permeates into the pelvic floor muscle to repair the elastic fiber of the vaginal wall, so that the elastic fiber is stimulated to quickly recover, and the vagina is naturally tightened.