Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.19.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2019
Aug. 13, 2019
Document And Entity Information    
Entity Registrant Name FOCUS UNIVERSAL INC.  
Entity Central Index Key 0001590418  
Document Type 10-Q  
Document Period End Date Jun. 30, 2019  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Is Entity's Reporting Status Current? Yes  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company true  
Entity Small Business true  
Entity Ex Transition Period false  
Entity Common Stock, Shares Outstanding   40,959,741
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2019  
Entity Interactive data current Yes  
Entity file number 000-55247  
Entity Incorporation State NV