Vaginismus grade 4 means that during sex or gynecological examination, a woman has an overreaction that prevents sex and gynecological examination from proceeding normally. Vaginismus is divided into four grades, all of which are abnormal. Vaginismus is the most serious type when it is grade 4, which is characterized by contraction of the gluteal muscles, involuntary lifting of the hips, withdrawal of the legs backward with great effort, retreat of the whole body, and manifestation of extreme panic, and it usually occurs before sex and gynecological examinations, which belongs to a pathological state. If vaginismus grade 4 occurs, it is recommended to seek medical treatment in time for physical as well as psychological treatment, and with the help of the doctor to promote the relief of the condition and the relaxation of the body, so that sexual intercourse, etc., can be carried out smoothly.