If you've arrived here from a search for "Sun square Venus in the natal chart", let me begin with the plain answer: no such aspect exists in a birth chart. Venus is an inner planet — its orbit lies between the Earth and the Sun — and from where we stand it never strays more than 48° from our star. To form a square, two planets need to sit exactly 90° apart. In the case of the Sun and Venus, those 90° are unreachable, as a matter of astronomy. The same goes for the sextile (60°), the trine (120°) and the opposition (180°): not one of these configurations can arise between them in a natal chart. Only the conjunction (0–8°) is possible, and the rare semi-sextile (around 30°).
I open with that fact so as not to lead you on. Plenty of popular round-ups and automated services write about "Sun square Venus" as though it were a real thing, and they often describe the storyline of an inner conflict between "I" and "what I love". The storyline is real. The configuration is not. Let me walk through what actually produces that storyline in a chart, and how to read the Sun–Venus pair when there genuinely is tension between them.
The real mechanism runs like this. A Sun–Venus conjunction (0–8°) is a common configuration, because Venus spends most of its time close to the Sun. When hard aspects from Saturn, Pluto or Neptune lock onto that conjunction, you get the very pattern that popular writing sometimes calls a "square". Saturn on a Sun–Venus pairing puts a cold filter over self-worth: anything that brings pleasure has to pass through an inner censor, a sense of "I'm not allowed", "this isn't for me", "I haven't earned it". Pluto brings a jealous, possessive streak towards what is beautiful — a wish to control those one is drawn to, and a fear of losing what one loves. Neptune adds illusion: you fall for what you imagine rather than what is there, and then take the collision with reality hard.
Boiled down, what's left is an inner conflict between two functions. The Sun wants to be significant, visible, important. Venus wants to please, to enjoy, to choose comfort and beauty. When there's tension between them — routed through a third planet — those two tasks won't add up. Part of your self-worth is built on being attractive and desired, and at the same time you doubt whether you have any right to pleasure at all. The same scene repeats: you receive attention, feel glad, take fright that it's undeserved, and push it away. You come into money, feel glad, spend it on something lovely, and accuse yourself of recklessness.
With the body and with sexuality, this kind of strain is rarely simple. There's often a thread of "am I trying to be desired, or trying to love, and does one get in the way of the other". In youth it shows up as a swing between extremes: one stretch where you give yourself wholly over to others' approval and lose yourself, another where you shut down and run down your own attractiveness so as not to depend on anyone's gaze. By maturity, if a person sticks with the work, the two functions finally come apart: "I am valuable in myself" (the Sun) and "I know how to take pleasure" (Venus), without one forever checking up on the other.
Money tends to be awkward too. A strained Venus often produces a seesaw: hard economising paired with the feeling that spending on yourself is sheer self-indulgence, then a breakout into impulse buys followed by guilt. A steady, comfortable level of spending — without the guilt and without the slips — is the work of years. What helps isn't self-control, which only pulls one way and then snaps, but a rethink of the underlying belief: am I allowed pleasure simply because I'm a living human being.
In relationships the typical storyline is a muddling of love and approval. A partner is meant to keep confirming that you're attractive, valuable, desired — and yet the partner is never quite enough, because the confirmation evaporates so fast. The work here aims at a single point: prising basic worth apart from outward signs of it. Once your worth stops hanging on who is looking at you and how, relationships breathe more freely.
Creatively, this knot often yields a fierce aesthetic sensitivity. People with a strained Venus and a strong Sun frequently end up in the visual professions, in music, fashion, writing — any field where it matters to feel quality finely and to weather criticism of your own taste. The same ache becomes the fuel: you make something beautiful precisely because beauty is how you prove to the world, and to yourself, your right to be here.
To see how this theme is actually wired in your own chart, you have to look at the placement of the Sun and Venus — the distance between them, the signs, the houses — and at the aspects they take from the outer planets. The picture is assembled from concrete details, not from a single "square" that this pair simply doesn't have in a birth chart.