Erections are not as hard as they used to be, i.e. erectile dysfunction, and the possible clinical causes are psychological factors, neurogenic factors, vascular factors, etc. 1. Psychological factors: Harmonious relationship between husband and wife, work pressure, etc. All the above situations may cause men to have negative emotions such as anxiety and depression, which may be manifested as insufficient erection hardness. 2. Neurogenic factors: men with brain diseases or spinal cord function is affected, the nerve controlling penile erection is damaged and erectile dysfunction occurs. 3. Vascular factors: atherosclerosis, high blood pressure, hyperlipidemia, etc. All of the above conditions will cause lesions of the blood vessels in the penile area of men, which will make their erectile status worse. Erectile dysfunction may also be caused by other factors, it is recommended that people with related conditions go to a regular hospital in time to receive targeted treatment, and strive for early recovery.