Clinically, there is no clear provision that Lock Yang Solid Essence Pill and Tadalafil Tablet can not be taken together, if the corresponding indications occur, the two can be used together. Lock Yang Jie Jing Pill belongs to the proprietary Chinese medicine, the composition of the drug includes tonic bone resin, cuscuta, eucommia, aniseed, leek seed, fructus, lotus seed, lotus seed, calcined oyster and so on. It has the effect of warming the kidneys and fixing essence, and is mainly used for symptoms such as lumbar and knee soreness (a feeling of soreness and weakness in the waist and knees), dizziness and tinnitus, spermatorrhea and premature ejaculation caused by deficiency of kidney yang (lack of yang energy in the kidneys). The adverse reactions and contraindications of Lock Yang Solid Essence Pill are not clear. Tadalafil Tablet belongs to the western medicine, which is clinically targeted at erectile dysfunction. If the person with erectile dysfunction belongs to the kidney yang deficiency syndrome, the two drugs can be used together. However, tadalafil tablets may have side effects such as headache and indigestion, and are strictly prohibited for those who are taking any form of nitrates. If you have a need for medication, it is recommended that you use it under the guidance of a professional physician who can identify the evidence, and not blindly use the medication on your own.