Patients with mild erectile dysfunction can prepare for pregnancy normally. Severe erectile dysfunction, if you can’t have an erection at all, or the penis can’t be inserted into the vagina with enough hardness for sex, can be accomplished with the aid of medication. 1. Patients with mild erectile dysfunction who are able to penetrate the vagina and ejaculate can prepare for pregnancy normally and do not need to worry. 2. For severe erectile dysfunction, if the penis can’t be erected at all or can’t be inserted into the vagina with enough hardness to have sex after erection, you can use medication as prescribed by the doctor, such as sildenafil or tadalafil, etc.; if the medication can’t cure it, you can use assisted reproduction means to prepare for pregnancy. It is recommended that patients with erectile dysfunction go to a regular hospital in time to seek treatment, and strive for early recovery. Sildenafil or tadalafil, which need to be taken orally before sex, may cause headache, nausea and other adverse reactions.