Cool oil can not cure premature ejaculation, cool oil has the role of pain and itching, cooling, premature ejaculation patients need to be under the guidance of the doctor, through psychological treatment, drugs (lidocaine, dapoxetine, etc.), surgery and other methods of treatment. 1. Psychotherapy: Psychological counseling can help patients to correctly understand sexual life, learn to control and prolong ejaculation time, enhance confidence in sexual life, and improve communication and exchange with sexual partners. 2. Medication: When patients suffer from premature ejaculation, they can be treated with drugs such as lidocaine and dapoxetine under the guidance of doctors. 3. Surgery: If psychotherapy and medication are ineffective for some patients, they can be treated with dorsal penile nerve selective dissection, which is aimed at the sensory afferent link in the ejaculation process, reducing sensory afferent and improving the patient’s sensation to achieve delayed ejaculation. It is recommended that patients go to a regular hospital, under the guidance of the doctor, the relevant examination, according to the patient’s specific examination results, to take targeted treatment.