必利勁 is a trade name and its generic name is Dapoxetine Hydrochloride; Jingo is also a trade name and its generic name is Sildenafil Citrate. Dapoxetine Hydrochloride and Sildenafil Citrate can be used to achieve both delayed and erectile dysfunction when needed for treatment, but the medication should be used in accordance with the doctor’s instructions and should not be abused by oneself. Dapoxetine hydrochloride is a drug used to treat premature ejaculation; sildenafil citrate is a selective inhibitor of cyclic guanosine monophosphate-specific phosphodiesterase type 5, which can be used to treat erectile dysfunction. If both premature ejaculation and erectile dysfunction exist at the same time, it is possible to combine the above two drugs under the guidance of the doctor for treatment. However, it should be noted that dapoxetine hydrochloride is suitable for men aged 18-64 years, and is contraindicated in patients with moderate and severe liver injury, patients under 18 years of age, and patients with obvious pathological conditions of the heart; sildenafil citrate can enhance the antihypertensive effect of nitrate, so it is a contraindication to patients taking any dosage form of nitrate, either regularly or intermittently. Combined use of the two can achieve both delayed and erectile efficacy, but the use of this drug should be evaluated by a doctor before use, in line with the indications for use, no relevant contraindications can be used, can not be arbitrarily taking drugs.