After the topical delay spray is used, if the glans is still anesthetized, it needs to be cleaned with warm water, otherwise it does not need to be cleaned. Topical delay spray has a certain role of anesthesia, after applying can reduce glans sensitivity, play a prolonged sex life, relieve ejaculation fast, and even premature ejaculation. If the glans is still anesthetized after sex, it needs to be cleaned with warm water to avoid irritation of the skin mucosa; if the glans is not anesthetized and returns to normal sensation, it does not need to be cleaned. Patients should use the time and dosage of this product in strict accordance with the instructions or follow the doctor’s advice to avoid harming the body due to wrong use. If patients have symptoms of premature ejaculation, it is recommended that they go to a regular hospital for consultation and treatment under the guidance of a doctor.