The Mastus Sexual Concentration Training Method was founded by the American contemporary sexology authority, obstetrician and gynecologist Mastus and psychologist Mr. and Mrs. Johnson, which can assist doctors in treating psychogenic premature ejaculation and during the rehabilitation of organic premature ejaculation, and requires the cooperation of patients and their wives to complete this training method. Step 1: Consistency in sexual understanding and relaxation of anxiety At the first stage, the doctor needs to give a detailed introduction of physiological anatomy and psychological knowledge to both spouses, focusing on the introduction of the characteristics of male and female response cycles, as well as how to arouse sexual excitement and different sexual expressions, etc. At the same time, both spouses are encouraged to make effective communication and discussion on sex-related issues to achieve agreement. Both parties should live separately and prohibit sexual intercourse, the purpose is to eliminate anxiety and tension about sex, generally this stage needs to last 3~5 days. Step 2: non-sexual organs of physical and emotional communication The second stage should be carried out after the completion of the first stage, in carrying out this stage, the couple should remain completely naked, lying together, in the choice of environment, should try not to be disturbed, the couple can kiss and touch each other, but do not fondle the sexual organs, such as breasts, penis, etc., this stage if sexual excitement, pay attention not to intercourse, try to focus on experiencing The last 1-2 days of this phase, you can touch the breasts, but do not touch other sexual organs, this phase usually lasts 3-5 days. Step 3: Sexual organ stroking and masturbation techniques of communication After the completion of the previous stage, the couple can focus on finding the excitement of each other’s sexual organs, this stage still do not have intercourse, both parties should focus on experiencing physical and mental pleasure in the process, and gradually focus the pleasure on the sexual organs, this stage lasts 2~3 days. Step 4: Therapeutic sexual activity On the basis of the completion of the above three stages, step 4 can be carried out, the couple can have sexual intercourse according to the different premature ejaculation conditions up, during sexual intercourse, should also inhibit male ejaculation, when the male is about to ejaculate, the woman can use her thumb on the site of the foreskin tether of the penis, index and middle fingers on the other side of the penis below the upper coronal groove, squeeze and press the penis for 4 seconds, the direction from the front to the back. Then suddenly relaxed, the woman in the squeezing and pressing process should be careful not to use the nail, but the application of the finger belly, this process repeated several times before sexual intercourse, this stage lasts 4 to 5 days.